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Precision 8x1 8x2 8x2.5 8mm Micro Ball Screw with Flange Nut

Lead time:10~30
MOQ:1 piece
Ball screw material: bearing steel
  • 8x1 8x2 8x2.5

  • ALM

  • 8479909090

The 8mm flange nut 8x1,8x2,and 8x2.5 miniature ball screws offer high precision,compact size,and excellent load capacity.These versatile linear motion components find extensive use in various industries,providing reliable and accurate motion control.Whether it's robotics,medical devices,aerospace,or precision engineering,these ball screws prove to be valuable solutions for demanding applications.

ALM Ball Screw Basic Information

 Material  Gcr15(HRC60~62),9Cr18(HRC55~58)
Axial play 0~0.005mm(Can be zero)
Preload P0,P1,P2,P3,P4
Efficiency >90%
 Accuracy grade  C1,C3,C5
Features Clean and smooth,excellent surface finsh
Certificates ISO9001:2015,CE certificate,RoHS and reach compliance

1 piece 

 Lead time

10~30 days.


Carton+Plastic bag + Wooden box or according to customers' demands

 Mating parts

Nut housing,ball screw support BK,BF,EK,EF,FK,FF,end maching service is available

●ALM Ball Screw Details Show

mini ballnutflanged nut ball screwBall nut

●ALM Ball Screw Video Show

●8mm Ball Screw Dimension

We support a variety of shaft end machining and ballnut customization.Refer to the catalog below for more ball screw model numbers.  ALM micro ball screw C3 C5 C7-V2.pdf

flange nut ball screw

Ball Screw Maintenance

1.Cleaning the Ball Screw

One of the fundamental steps in ball screw maintenance is cleaning. Over time, contaminants such as dust, dirt, and debris can accumulate on the surface of the screw, causing friction and potential damage. To clean the ball screw, start by removing any loose particles using a soft brush or compressed air. Next, apply a mild cleaning solution and gently wipe the screw with a lint-free cloth. Avoid using abrasive materials or excessive force, as they can scratch or damage the surface.


2.Lubrication of the Ball Screw

Proper lubrication is crucial for the smooth operation of a ball screw. Lubricants reduce friction, minimize wear, and prevent corrosion. Before applying any lubricant, refer to the manufacturer's guidelines to ensure compatibility with the specific ball screw model. It is recommended to use a high-quality lubricant that matches the operating conditions and temperature range. Apply the lubricant evenly along the length of the screw, making sure to cover all contact points. Regularly monitor the lubrication levels and reapply as necessary.


3.Regular Inspection and Adjustment

Regular inspection is vital to identify any potential issues before they escalate into major problems. During the inspection, check for signs of excessive wear, misalignment, or backlash. Look for any abnormal noise, vibration, or irregular movement. If any issues are detected, consult the manufacturer's guidelines or seek professional assistance for adjustment or repair. Additionally, ensure that all mounting brackets, couplings, and support bearings are properly aligned and tightened.


4.Protection from Environmental Factors

Ball screws can be susceptible to environmental factors such as moisture, extreme temperatures, and contaminants. To protect the ball screw, consider implementing suitable safeguards. For instance, installing protective covers or bellows can shield the screw from dust, liquids, and debris. In high-temperature environments, thermal shields or coolants may be necessary to prevent overheating. By safeguarding the ball screw from these factors, you can significantly extend its lifespan and maintain optimal performance.


5.Regular Maintenance Schedule

To ensure consistent performance, it is essential to establish a regular maintenance schedule for the ball screw. The frequency of maintenance may vary depending on factors such as operating conditions, usage intensity, and environmental factors. Consult the manufacturer's guidelines for recommended maintenance intervals, and create a schedule accordingly. Adhering to a regular maintenance routine will help prevent unexpected breakdowns, reduce downtime, and extend the overall lifespan of the ball 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

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Customer Visit

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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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