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China Standard Stainless Steel Eye Bolt Sleeve Anchor Expansion Screws for Wall Concrete

Product Description

Stainless Steel Eye Bolt Sleeve Anchor Expansion Screws for Wall Concrete 
 

Product Description

MATERIAL SPECIFICATIONS
Carbon steel zinc galvanised 5μm.

Stainless steel 304 (A2) and 316 (A4)
 

RANGE OF LOADING

1.1 KN~45.5 KN
 

RANGE OF CONCRETE QUALITY

C20/25/C30/C35

DIMENSION

Bolt Diameter: M5-M16
Sleeve Diameter: φ6.5-φ20, 1/4″-3/4″
Length: 40-150mm

Product Parameters

Material

1.Stainless Steel: SS304, SS316
2.Steel: C45(K1045), C46(K1046), C20
3.Carbon Steel: 1571,1035,1045
4.Aluminum or Aluminum Alloy: Al6061, Al6063, Al7075, etc
5.Brass: H59, H62, Copper, Bronze

Surface Finish:

All kinds of surface treatment are available like chrome plating, zinc plating , nick plating , powder coating, e-coating, dip coating, mirror polishing, etc.

Application

Electronic/Appliance/Auto/Industrial equipment metal stamping hardware parts

Processing

Our process includes tooling fabrication, stamping, deep drawing, punching, spinning, laser cutting, bending, seamless welding, machining and assembly

Available Certificate

ISO 9001, SGS, Material Certificate

Accident Prevention

Safety Operation Management

Quality Control

Liability System and Periodical QC on line every hour

Lead Time

20-35 work days after order confirmed

 

 

Our Advantages

More than 14-year experience in Fastener industry
The founder of HangZhou Vigor Fasteners Trading Co., Ltd works in fastener industry more than 14 years. With this experience, Vigor can provide the professional products and service to our customers.

Providing Order-specific Reports(Complete Inspection process )
To assure you of market-leading product quality, most of our latest machines from ZheJiang . Plus, we carry out strict in-house QC measures at multiple stages in our ISO 9001:2000-certified facilities, storing all results in our central databank, so we can provide you with detailed order-specific test reports on tensile strength, torque. And we also do Salt Spray Test for guarantee the product get rusted, do the test for zinc plating thickness.

Monthly capacity Over 500 Tons for anchor bolts, 1000tons for Socket screws
As 1 of the largest fastener manufacturers in China, we can produce over 500 tons for anchor bolts, 1000tons for Socket screws products monthly. We gladly ship free samples of our products within 7 days and can fulfill orders in 1 to 2 months. If you have OEM/ODM orders to complete, contact us today.

Complete Fastener Products:
Our main products’ range include: Drop-in Anchor, Drop in anchor with Lip, Hex Bolt Sleeve Anchor, Sleeve anchor with Flange nut, Chemical anchor, Wedge anchor, Stub bolt, Nylon anchor, Tie wire Anchor ,Hollow wall anchor , Swivel Band Hanger, Hex Socket Set Screw DIN913/ 914/915/ 916-45H, Automotive Hub Bolt, Flange Head Cap Screw, Bush Hammer Bit with Alloy Tips,DIN912 Hex Socket Cap Screw, DIN7991 Socket Flat Cap Screw, ISO7380 Button Socket Head Cap Screw, Hex keyDIN911 (Wrenches), Driver Bits, Hand tools(Shooting tools and shooting nails) and etc.

 

Package Details

 

Company Profile

HangZhou Vigor Fasteners Trading Co., Ltd. is a company with flexibility and a strong focus on customer service and satisfaction have been key in fasteners industry. With more than 14 years’ experience in fasteners industry, Vigor can provide the professional service and products to you.

The amazing thing about the products we provide is that they have innumerable uses. The bolt and screws can be applied in many industries especially in construction industry. And the thing that makes us stand out from the competition is the professional knowledge about the products and using that to grow with our business partners.

Our main products include: Drop-in Anchor, Drop in anchor with Lip, Hex Bolt Sleeve Anchor, Sleeve anchor with Flange nut, Chemical anchor, Wedge anchor, Stub bolt, Nylon anchor, Tie wire Anchor ,Hollow wall anchor , Swivel Band Hanger, Hex Socket Set Screw DIN913/ 914/915/ 916-45H, Automotive Hub Bolt, Flange Head Cap Screw, Bush Hammer Bit with Alloy Tips,DIN912 Hex Socket Head Cap Screw, DIN7991 Socket Flat Head Cap Screw, ISO7380 Button Socket Head Cap Screw, Hex keyDIN911 (Wrenches), Driver Bits, Hand tools(Shooting tools and shooting nails) and etc.

Here at Vigor fasteners, we firmly believe in building a bridge between us and the customers. It is not something that can be fabricated but grown with years of constant care. Just trust in us, let’s fasten it in the whole world.

FAQ

Q:How can I get a quotation?

A:Kindly provide us your details request (item No, style, logo, size, material, surface treatment, quantity etc.) the more detailed the better, leave us an inquiry or email to us and we will response promptly!

Q:How to get a free sample?

A:We recommend you work with T/T, PayPal, Western Union.. are all available.

Q:What’s the process of order?

A:Send us Inquiry →get quotation →payment done →open mold and make samples→
deliver you samples or send you pictures of samples for approval→mass production.

Q:When can l expect the customized product to be finished?

A:Sample:7-10 working days (Standard).
Bulk order:20-35 working days(Standard).
If you have any other questions, please feel free to contact us!

 

Material: Carbon Steel
Type: Construction Bolt
Connection: Common Bolt
Samples:
US$ 0.03/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

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Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

eye bolt screw

What maintenance practices are recommended to ensure the longevity of eye bolt screws?

Maintaining eye bolt screws is crucial to ensure their longevity, performance, and safety. Regular maintenance practices help identify and address potential issues, prevent corrosion, and extend the lifespan of the screws. Here’s a detailed explanation of recommended maintenance practices for eye bolt screws:

  • Visual Inspection: Regularly inspect eye bolt screws to identify any signs of damage, wear, or deformation. Look for cracks, bending, thread damage, or signs of corrosion. Ensure that the eye bolt screws are securely fastened and that the threads are clean and free from debris.
  • Cleaning: Clean eye bolt screws periodically to remove dirt, dust, grease, or other contaminants that can contribute to corrosion or interfere with their performance. Use appropriate cleaning agents or solvents and ensure thorough drying after cleaning.
  • Lubrication: Apply a suitable lubricant to the threads and bearing surfaces of the eye bolt screws to reduce friction and prevent galling or seizing. Lubrication helps maintain smooth operation and minimizes wear and tear. Choose lubricants compatible with the material of the screws and the specific operating conditions.
  • Torque Checking: Regularly check the torque of the eye bolt screws to ensure they remain properly tightened. Over time, vibrations or loading may cause the screws to loosen. Use a torque wrench to verify that the screws are tightened to the recommended torque values specified by the manufacturer or applicable standards.
  • Load Capacity Verification: If eye bolt screws are subjected to heavy loads or used in critical applications, periodic load capacity verification may be necessary. This involves conducting load tests or inspections to ensure that the screws can still safely support the intended loads without any signs of deformation or failure.
  • Corrosion Protection: Eye bolt screws used in outdoor or corrosive environments should be protected against corrosion. Apply appropriate coatings or corrosion inhibitors to the screws to provide an additional layer of protection. Regularly inspect the corrosion protection measures and reapply as necessary.
  • Replacement of Damaged Screws: If any signs of significant damage or wear are detected during inspections, promptly replace the affected eye bolt screws. Continuing to use damaged or compromised screws can lead to unsafe conditions and potential failure.

It is essential to follow the manufacturer’s recommendations and any applicable industry standards or regulations when implementing maintenance practices for eye bolt screws. Additionally, consider the specific environmental conditions, load requirements, and operating factors when establishing a maintenance schedule.

By implementing regular maintenance practices, you can maximize the lifespan of eye bolt screws, reduce the risk of failures, and ensure their continued performance and safety in various applications.

eye bolt screw

Can you provide examples of machinery or structures that commonly use eye bolt screws?

Eye bolt screws are utilized in a wide range of machinery and structures where a secure and reliable attachment point is required for lifting, suspension, or anchoring purposes. Here are some examples of machinery and structures that commonly use eye bolt screws:

  • Cranes and Hoists: Cranes and hoists often incorporate eye bolt screws as attachment points for lifting cables, chains, or slings. Eye bolt screws provide a secure connection between the lifting equipment and the load being lifted, ensuring proper load distribution and stability during lifting operations.
  • Material Handling Equipment: Various types of material handling equipment, such as forklifts, pallet jacks, and lifting trolleys, may feature eye bolt screws as part of their design. These eye bolt screws serve as attachment points for hooks, clamps, or other lifting devices, enabling the equipment to safely handle and transport loads.
  • Industrial Machinery: Many types of industrial machinery incorporate eye bolt screws for lifting, securing, or anchoring components or subassemblies. Examples include presses, stamping machines, machining centers, and conveyor systems. Eye bolt screws provide a reliable means of attaching equipment or fixtures to the machinery, ensuring stability and safety during operation.
  • Marine and Boating Structures: Eye bolt screws are commonly used in marine and boating structures, such as boats, docks, and marinas. They serve as attachment points for ropes, cables, or chains used in mooring, towing, or securing operations. Eye bolt screws with corrosion-resistant materials are especially important in marine environments.
  • Stage and Rigging Systems: The entertainment industry often utilizes eye bolt screws in stage and rigging systems. They provide attachment points for suspending lighting fixtures, audio equipment, scenery, and other components. Eye bolt screws enable the safe and precise positioning of equipment during performances or events.
  • Building and Construction: Eye bolt screws are commonly used in building and construction applications. They can be embedded or attached to structural elements to create attachment points for lifting, securing, or hanging loads. Eye bolt screws are employed in various construction scenarios, including steel structures, concrete formwork, scaffolding, and temporary installations.
  • Transportation and Cargo: Eye bolt screws are utilized in transportation and cargo applications to secure loads during transit. They provide attachment points for ropes, straps, or chains used to secure cargo on trucks, trailers, or shipping containers. Eye bolt screws ensure that the loads remain stable and properly supported during transportation.

These examples illustrate the diverse range of machinery and structures that commonly rely on eye bolt screws for safe and effective lifting, suspension, or anchoring operations. The specific design and application of eye bolt screws may vary depending on the unique requirements of each industry or use case.

eye bolt screw

Can you describe the proper installation and use of eye bolt screws in different settings?

Proper installation and use of eye bolt screws are essential to ensure their effectiveness, safety, and longevity in various settings. Here are general guidelines for the installation and use of eye bolt screws in different settings:

  1. Preparation:
    • Identify the specific application and determine the load requirements, environmental conditions, and any applicable regulations or standards.
    • Select an appropriate eye bolt screw considering factors such as load capacity, material strength, corrosion resistance, and compatibility with the intended application.
    • Inspect the eye bolt screw for any defects, damage, or signs of wear before installation. Do not use a damaged or compromised eye bolt screw.
  2. Installation:
    • Pre-drill a hole or use a threaded receptacle of the appropriate size and depth to accommodate the eye bolt screw.
    • Screw the threaded end of the eye bolt screw into the pre-drilled hole or threaded receptacle. Ensure that the threads engage smoothly and do not cross-thread.
    • Tighten the eye bolt screw using an appropriate tool, such as a wrench or socket. Avoid over-tightening, as it may cause damage to the threads or the attachment point.
    • If the eye bolt screw has a shoulder or collar, ensure that it rests securely against the attachment surface for optimal load distribution.
  3. Load Application:
    • Attach the appropriate hardware, such as ropes, cables, or chains, to the eye of the eye bolt screw. Ensure that the hardware is compatible with the size and shape of the eye.
    • Inspect the attachment to verify that the hardware is properly secured within the eye and does not show signs of slippage or deformation.
    • Apply the load gradually and avoid sudden impacts or jerks that could cause excessive stress on the eye bolt screw or the attachment point.
    • Regularly inspect the eye bolt screw and the attachment for signs of wear, deformation, or loosening. If any issues are identified, take appropriate action to address them, such as tightening the eye bolt screw or replacing it if necessary.
  4. Maintenance and Safety:
    • Regularly inspect the eye bolt screw and its attachment for corrosion, wear, or damage. Clean and lubricate the eye bolt screw as needed, following the manufacturer’s recommendations.
    • Follow any specific maintenance instructions provided by the manufacturer for the particular type of eye bolt screw and its corresponding application.
    • Ensure that the load applied to the eye bolt screw does not exceed its rated capacity. Refer to load charts or consult with engineers or professionals when dealing with higher loads or critical applications.
    • Adhere to relevant safety guidelines and regulations specific to the industry or setting in which the eye bolt screw is being used.

It is important to note that these guidelines provide general information for the installation and use of eye bolt screws. However, specific installations may have unique requirements or considerations based on the application and industry standards. Therefore, it is recommended to consult with professionals or experts in the relevant field to ensure proper installation and use of eye bolt screws in specific settings.

China Standard Stainless Steel Eye Bolt Sleeve Anchor Expansion Screws for Wall Concrete  China Standard Stainless Steel Eye Bolt Sleeve Anchor Expansion Screws for Wall Concrete
editor by CX 2023-12-07

China best Stainless Steel Eye Bolt Sleeve Anchor Expansion Screws for Wall Concrete near me manufacturer

Product Description

Stainless Steel Eye Bolt Sleeve Anchor Expansion Screws for Wall Concrete 
 

Product Description

MATERIAL SPECIFICATIONS
Carbon steel zinc galvanised 5μm.

Stainless steel 304 (A2) and 316 (A4)
 

RANGE OF LOADING

1.1 KN~45.5 KN
 

RANGE OF CONCRETE QUALITY

C20/25/C30/C35

DIMENSION

Bolt Diameter: M5-M16
Sleeve Diameter: φ6.5-φ20, 1/4″-3/4″
Length: 40-150mm

Product Parameters

Material

1.Stainless Steel: SS304, SS316
2.Steel: C45(K1045), C46(K1046), C20
3.Carbon Steel: 1571,1035,1045
4.Aluminum or Aluminum Alloy: Al6061, Al6063, Al7075, etc
5.Brass: H59, H62, Copper, Bronze

Surface Finish:

All kinds of surface treatment are available like chrome plating, zinc plating , nick plating , powder coating, e-coating, dip coating, mirror polishing, etc.

Application

Electronic/Appliance/Auto/Industrial equipment metal stamping hardware parts

Processing

Our process includes tooling fabrication, stamping, deep drawing, punching, spinning, laser cutting, bending, seamless welding, machining and assembly

Available Certificate

ISO 9001, SGS, Material Certificate

Accident Prevention

Safety Operation Management

Quality Control

Liability System and Periodical QC on line every hour

Lead Time

20-35 work days after order confirmed

 

 

Our Advantages

More than 14-year experience in Fastener industry
The founder of HangZhou Vigor Fasteners Trading Co., Ltd works in fastener industry more than 14 years. With this experience, Vigor can provide the professional products and service to our customers.

Providing Order-specific Reports(Complete Inspection process )
To assure you of market-leading product quality, most of our latest machines from ZheJiang . Plus, we carry out strict in-house QC measures at multiple stages in our ISO 9001:2000-certified facilities, storing all results in our central databank, so we can provide you with detailed order-specific test reports on tensile strength, torque. And we also do Salt Spray Test for guarantee the product get rusted, do the test for zinc plating thickness.

Monthly capacity Over 500 Tons for anchor bolts, 1000tons for Socket screws
As 1 of the largest fastener manufacturers in China, we can produce over 500 tons for anchor bolts, 1000tons for Socket screws products monthly. We gladly ship free samples of our products within 7 days and can fulfill orders in 1 to 2 months. If you have OEM/ODM orders to complete, contact us today.

Complete Fastener Products:
Our main products’ range include: Drop-in Anchor, Drop in anchor with Lip, Hex Bolt Sleeve Anchor, Sleeve anchor with Flange nut, Chemical anchor, Wedge anchor, Stub bolt, Nylon anchor, Tie wire Anchor ,Hollow wall anchor , Swivel Band Hanger, Hex Socket Set Screw DIN913/ 914/915/ 916-45H, Automotive Hub Bolt, Flange Head Cap Screw, Bush Hammer Bit with Alloy Tips,DIN912 Hex Socket Cap Screw, DIN7991 Socket Flat Cap Screw, ISO7380 Button Socket Head Cap Screw, Hex keyDIN911 (Wrenches), Driver Bits, Hand tools(Shooting tools and shooting nails) and etc.

 

Package Details

 

Company Profile

HangZhou Vigor Fasteners Trading Co., Ltd. is a company with flexibility and a strong focus on customer service and satisfaction have been key in fasteners industry. With more than 14 years’ experience in fasteners industry, Vigor can provide the professional service and products to you.

The amazing thing about the products we provide is that they have innumerable uses. The bolt and screws can be applied in many industries especially in construction industry. And the thing that makes us stand out from the competition is the professional knowledge about the products and using that to grow with our business partners.

Our main products include: Drop-in Anchor, Drop in anchor with Lip, Hex Bolt Sleeve Anchor, Sleeve anchor with Flange nut, Chemical anchor, Wedge anchor, Stub bolt, Nylon anchor, Tie wire Anchor ,Hollow wall anchor , Swivel Band Hanger, Hex Socket Set Screw DIN913/ 914/915/ 916-45H, Automotive Hub Bolt, Flange Head Cap Screw, Bush Hammer Bit with Alloy Tips,DIN912 Hex Socket Head Cap Screw, DIN7991 Socket Flat Head Cap Screw, ISO7380 Button Socket Head Cap Screw, Hex keyDIN911 (Wrenches), Driver Bits, Hand tools(Shooting tools and shooting nails) and etc.

Here at Vigor fasteners, we firmly believe in building a bridge between us and the customers. It is not something that can be fabricated but grown with years of constant care. Just trust in us, let’s fasten it in the whole world.

FAQ

Q:How can I get a quotation?

A:Kindly provide us your details request (item No, style, logo, size, material, surface treatment, quantity etc.) the more detailed the better, leave us an inquiry or email to us and we will response promptly!

Q:How to get a free sample?

A:We recommend you work with T/T, PayPal, Western Union.. are all available.

Q:What’s the process of order?

A:Send us Inquiry →get quotation →payment done →open mold and make samples→
deliver you samples or send you pictures of samples for approval→mass production.

Q:When can l expect the customized product to be finished?

A:Sample:7-10 working days (Standard).
Bulk order:20-35 working days(Standard).
If you have any other questions, please feel free to contact us!

 

Screw Shaft Features Explained

When choosing the screw shaft for your application, you should consider the features of the screws: threads, lead, pitch, helix angle, and more. You may be wondering what these features mean and how they affect the screw’s performance. This article explains the differences between these factors. The following are the features that affect the performance of screws and their properties. You can use these to make an informed decision and purchase the right screw. You can learn more about these features by reading the following articles.

Threads

The major diameter of a screw thread is the larger of the 2 extreme diameters. The major diameter of a screw is also known as the outside diameter. This dimension can’t be directly measured, but can be determined by measuring the distance between adjacent sides of the thread. In addition, the mean area of a screw thread is known as the pitch. The diameter of the thread and pitch line are directly proportional to the overall size of the screw.
The threads are classified by the diameter and pitch. The major diameter of a screw shaft has the largest number of threads; the smaller diameter is called the minor diameter. The thread angle, also known as the helix angle, is measured perpendicular to the axis of the screw. The major diameter is the largest part of the screw; the minor diameter is the lower end of the screw. The thread angle is the half distance between the major and minor diameters. The minor diameter is the outer surface of the screw, while the top surface corresponds to the major diameter.
The pitch is measured at the crest of a thread. In other words, a 16-pitch thread has a diameter of 1 sixteenth of the screw shaft’s diameter. The actual diameter is 0.03125 inches. Moreover, a large number of manufacturers use this measurement to determine the thread pitch. The pitch diameter is a critical factor in successful mating of male and female threads. So, when determining the pitch diameter, you need to check the thread pitch plate of a screw.
screwshaft

Lead

In screw shaft applications, a solid, corrosion-resistant material is an important requirement. Lead screws are a robust choice, which ensure shaft direction accuracy. This material is widely used in lathes and measuring instruments. They have black oxide coatings and are suited for environments where rusting is not acceptable. These screws are also relatively inexpensive. Here are some advantages of lead screws. They are highly durable, cost-effective, and offer high reliability.
A lead screw system may have multiple starts, or threads that run parallel to each other. The lead is the distance the nut travels along the shaft during a single revolution. The smaller the lead, the tighter the thread. The lead can also be expressed as the pitch, which is the distance between adjacent thread crests or troughs. A lead screw has a smaller pitch than a nut, and the smaller the lead, the greater its linear speed.
When choosing lead screws, the critical speed is the maximum number of revolutions per minute. This is determined by the minor diameter of the shaft and its length. The critical speed should never be exceeded or the lead will become distorted or cracked. The recommended operational speed is around 80 percent of the evaluated critical speed. Moreover, the lead screw must be properly aligned to avoid excessive vibrations. In addition, the screw pitch must be within the design tolerance of the shaft.

Pitch

The pitch of a screw shaft can be viewed as the distance between the crest of a thread and the surface where the threads meet. In mathematics, the pitch is equivalent to the length of 1 wavelength. The pitch of a screw shaft also relates to the diameter of the threads. In the following, the pitch of a screw is explained. It is important to note that the pitch of a screw is not a metric measurement. In the following, we will define the 2 terms and discuss how they relate to 1 another.
A screw’s pitch is not the same in all countries. The United Kingdom, Canada, and the United States have standardized screw threads according to the UN system. Therefore, there is a need to specify the pitch of a screw shaft when a screw is being manufactured. The standardization of pitch and diameter has also reduced the cost of screw manufacturing. Nevertheless, screw threads are still expensive. The United Kingdom, Canada, and the United States have introduced a system for the calculation of screw pitch.
The pitch of a lead screw is the same as that of a lead screw. The diameter is 0.25 inches and the circumference is 0.79 inches. When calculating the mechanical advantage of a screw, divide the diameter by its pitch. The larger the pitch, the more threads the screw has, increasing its critical speed and stiffness. The pitch of a screw shaft is also proportional to the number of starts in the shaft.

Helix angle

The helix angle of a screw shaft is the angle formed between the circumference of the cylinder and its helix. Both of these angles must be equal to 90 degrees. The larger the lead angle, the smaller the helix angle. Some reference materials refer to angle B as the helix angle. However, the actual angle is derived from calculating the screw geometry. Read on for more information. Listed below are some of the differences between helix angles and lead angles.
High helix screws have a long lead. This length reduces the number of effective turns of the screw. Because of this, fine pitch screws are usually used for small movements. A typical example is a 16-mm x 5-inch screw. Another example of a fine pitch screw is a 12x2mm screw. It is used for small moves. This type of screw has a lower lead angle than a high-helix screw.
A screw’s helix angle refers to the relative angle of the flight of the helix to the plane of the screw axis. While screw helix angles are not often altered from the standard square pitch, they can have an effect on processing. Changing the helix angle is more common in two-stage screws, special mixing screws, and metering screws. When a screw is designed for this function, it should be able to handle the materials it is made of.
screwshaft

Size

The diameter of a screw is its diameter, measured from the head to the shaft. Screw diameters are standardized by the American Society of Mechanical Engineers. The diameters of screws range from 3/50 inches to 16 inches, and more recently, fractions of an inch have been added. However, shaft diameters may vary depending on the job, so it is important to know the right size for the job. The size chart below shows the common sizes for screws.
Screws are generally referred to by their gauge, which is the major diameter. Screws with a major diameter less than a quarter of an inch are usually labeled as #0 to #14 and larger screws are labeled as sizes in fractions of an inch. There are also decimal equivalents of each screw size. These measurements will help you choose the correct size for your project. The screws with the smaller diameters were not tested.
In the previous section, we described the different shaft sizes and their specifications. These screw sizes are usually indicated by fractions of an inch, followed by a number of threads per inch. For example, a ten-inch screw has a shaft size of 2” with a thread pitch of 1/4″, and it has a diameter of 2 inches. This screw is welded to a two-inch Sch. 40 pipe. Alternatively, it can be welded to a 9-inch O.A.L. pipe.
screwshaft

Shape

Screws come in a wide variety of sizes and shapes, from the size of a quarter to the diameter of a U.S. quarter. Screws’ main function is to hold objects together and to translate torque into linear force. The shape of a screw shaft, if it is round, is the primary characteristic used to define its use. The following chart shows how the screw shaft differs from a quarter:
The shape of a screw shaft is determined by 2 features: its major diameter, or distance from the outer edge of the thread on 1 side to the inner smooth surface of the shaft. These are generally 2 to 16 millimeters in diameter. Screw shafts can have either a fully threaded shank or a half-threaded shank, with the latter providing better stability. Regardless of whether the screw shaft is round or domed, it is important to understand the different characteristics of a screw before attempting to install it into a project.
The screw shaft’s diameter is also important to its application. The ball circle diameter refers to the distance between the center of 2 opposite balls in contact with the grooves. The root diameter, on the other hand, refers to the distance between the bottommost grooves of the screw shaft. These are the 2 main measurements that define the screw’s overall size. Pitch and nominal diameter are important measurements for a screw’s performance in a particular application.

Lubrication

In most cases, lubrication of a screw shaft is accomplished with grease. Grease is made up of mineral or synthetic oil, thickening agent, and additives. The thickening agent can be a variety of different substances, including lithium, bentonite, aluminum, and barium complexes. A common classification for lubricating grease is NLGI Grade. While this may not be necessary when specifying the type of grease to use for a particular application, it is a useful qualitative measure.
When selecting a lubricant for a screw shaft, the operating temperature and the speed of the shaft determine the type of oil to use. Too much oil can result in heat buildup, while too little can lead to excessive wear and friction. The proper lubrication of a screw shaft directly affects the temperature rise of a ball screw, and the life of the assembly. To ensure the proper lubrication, follow the guidelines below.
Ideally, a low lubrication level is appropriate for medium-sized feed stuff factories. High lubrication level is appropriate for larger feed stuff factories. However, in low-speed applications, the lubrication level should be sufficiently high to ensure that the screws run freely. This is the only way to reduce friction and ensure the longest life possible. Lubrication of screw shafts is an important consideration for any screw.

China best Stainless Steel Eye Bolt Sleeve Anchor Expansion Screws for Wall Concrete   near me manufacturer China best Stainless Steel Eye Bolt Sleeve Anchor Expansion Screws for Wall Concrete   near me manufacturer