Home » Products » Lead Screws » Mini Lead Screws » T4.76x0.635 T4.76x1.27 T4.76x2.54 T4.76x5.08 Lead Screw



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T4.76x0.635 T4.76x1.27 T4.76x2.54 T4.76x5.08 Lead Screw

Lead time:10~30
MOQ:1 piece
Ball screw material: bearing steel
  • T4.76x0.635 T4.76x1.27 T4.76x2.54 T4.76x5.08

  • ALM

  • 8479909090

One of the key advantages of the 8mm T8x1,T8x1.5,T8x2,T8x3,and T8x4 lead screws is their high efficiency.With their fine thread pitch,these lead screws offer enhanced precision and reduced backlash,resulting in smoother and more accurate linear motion.This makes them ideal for applications that demand precise positioning and minimal error.

ALM Lead Screw Basic Information

Available lead screw material


Available lead nut material

Brass,Tin bronze,Phosphor bronze,Aluminum bronze,POM,PEEK,nylon,POK,Stainless steel, 1045,Zinc alloy,Brass+Plastic,Aluminum alloy+Plastic,Brass+Steel,Self lubricating(No oil type)

Available surface coating

Zinc-plated,nickel plated,hard chromium plated,fluorine coated,tungsten disulfide,black chorme plated

Quality standard ISO9001:2015,CE certificate,RoHS and reach compliance
Clearance 7e,higher precision is available upon request
Custom Services Customized nuts and end machining are available upon drawing

●ALM Lead Screw Details Show

Various Lead Screw nut

mini Lead Screw shaft

●ALM Lead Screw Video Show

●4.76mm Lead Screw Dimension

We support a variety of shaft end machining and nut customization.Refer to the catalog below for more lead screw model numbers.  

6mm lead screw

Lead Screw Maintenance


Regular cleaning is the first step towards maintaining trapezoidal lead screws. Start by removing any dirt, debris, or contaminants using a soft brush or cloth. Avoid using harsh chemicals or abrasive materials that may damage the screw's surface. For stubborn stains, a mild detergent or solvent can be used sparingly. Once cleaned, ensure the screw is thoroughly dried before proceeding with further maintenance.



Proper lubrication is crucial for the smooth operation of trapezoidal lead screws. Apply a high-quality lubricant specifically designed for lead screws, ensuring it reaches all the necessary contact points. It is recommended to follow the manufacturer's guidelines regarding lubrication frequency and quantity. Regularly monitor the lubricant levels and replenish as needed to prevent excessive wear and reduce friction.



Regular inspections are vital to identify any signs of wear, damage, or misalignment. Carefully examine the lead screw for any visible cracks, dents, or chips. Additionally, check for any abnormal noise, vibrations, or changes in performance, as these can indicate underlying issues. If any problems are detected, consult with a qualified technician or manufacturer for proper diagnosis and repair.


4.Alignment and Tension

Proper alignment and tension are critical for the efficient functioning of trapezoidal lead screws. Ensure that the screw is correctly aligned with the nut and other related components. Misalignment can lead to increased friction, decreased accuracy, and premature wear. Additionally, check the tension of the screw, ensuring it is neither too loose nor too tight. Adjustments may be necessary to maintain the optimal tension required for smooth operation.



Protecting trapezoidal lead screws from external elements is essential to prolong their lifespan. Consider installing suitable covers or guards to shield the screw from dust, moisture,and other contaminants.This is particularly important in environments where the screw is exposed to harsh conditions or potential damage.Regularly inspect the protective measures and replace them if they show signs of wear or damage.


6.Regular Maintenance Schedule

To ensure consistent performance, establish a regular maintenance schedule for trapezoidal lead screws. This schedule should include cleaning, lubrication, inspection, and any other necessary maintenance tasks. The frequency of maintenance may vary depending on the specific application, operating conditions, and manufacturer recommendations. Adhering to a maintenance schedule will help prevent unexpected failures, reduce downtime, and extend the lifespan of the lead screw.


Founded in year of 2005,from a small workshop KUNSHAN TIANHE BALL SCREW FACTORY,ALM group has grown fast and has four production workshops now for ball screw,lead screw,linear motor,linear actuator,linear guideways and related CNC machining.Factory area is over 15000 square meters,129 employees.Our factory is equipped with 15 automated production line.Products are 100% inspected before shipping.ALM has obtained ISO9001,IATF16949,CE,RoHS certificate. Over 25 distributors all over the world.

ALM manufactures and supplies high quality linear motion components for customers in fields of aircraft,satellite,medical, Instrumentation,Robotics,Automobile,Electrical & Electronics,Textile,Medical,Food & Beverages,General Industry and so on.With super quality and service,ALM has been widely recognized and highly valued by its high-end and picky customers,and thus remains at the top of their vendor lists. 

ALM R&D Team

ALM R&D Team

ALM's office

ALM office

ALM's workshop

ALM workshop

ALM product processing

product processing

ALM inspection equipment

ALM Inspection EquipmentALM process machine

ALM's warehouse

ALM linear guideALM Product Show


ALM product show

ALM Exhibition

shanghai munich industry fairExhibition

Customer Visit

ALM customer visit

Patent Certificate for invention and utility model

seidal product certificate

ISO  Certificate


CE Certificate

ALM CE certificate

Excellent HighTech Enterprise

Excellent HighTech Enterprise

Leading Talents Certificate

ALM Leading Talents Certificate

1.Why can ALM be your better option for linear motion components?
●Nearly 20 years of rich manufacturing experience;

●We understand both electrical and mechanical issues. Can recommend good engineering design.

●Quality is guaranteed,We inspect everything, so you won't receive product that doesn't meet specifications. For some parts, we stock for the customer, You never have to wait.
●Easy to pay and can be trusted, We always respond to questions.
●We work on your time zone-You no need work through dinner and at night. Above all, our professional sales and after-service team ensure high efficiency communication to allow you high work efficiency and keep a good mood everyday.

2.When can I get the quotation?
We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in
your email so that we will regard your inquiry priority.

3.About shipping and payment:
Sample order: We have DHL, FedEx, UPS VIP account with discount. So you can get favorable shipping freight.
Bulk order: We have freight forwarder to ship by air, by train or by sea. You can also arrange shipping through your own shipping agent.

LC,T/T,D/P, PayPal, Western Union, Money Gram

4.How is quality ensured?
All our processes strictly adhere to ISO9001:2015 procedures. Combining advanced equipment, from production to delivery, we have strict quality control. Our company has strong technical support and has cultivated a group of managers who are familiar with product quality, good at modern concept of management. Our production concept is “Quality has to be caused, not controlled.”

5.How to custom-made (OEM/ODM)?

If you have a new product drawing or a sample, please send to us, we’ll make our production drawing and customize it as per your requirement. We can also provide our professional advices to make your design more realized and maximize the performance. So,If you didn’t find the ideal product from our website, please email us, your inquiry will get fast response.

6.What's your Delivery Time?

●Standard items: Ready in stock

●Customized items:7-20days

●For urgent case, We can make the delivery ASAP with guaranteed quality.





 No 1998 Jinfeng south road,Wuzhong district,Suzhou China.


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