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6mm Miniature Metric Precision Ball Screws 6x1 6x2

Lead time:10~30
MOQ:1 piece
Ball screw material: bearing steel
  • 6x1 6x2

  • ALM

  • 8479909090

The 6mm miniature metric precision ball screws are designed to provide exceptional accuracy and smooth motion in miniature applications.These ball screws feature a compact design,with a diameter of 6mm,making them ideal for applications where space is limited. 

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 ballnutsmall ball screwBall Screw

●ALM Ball Screw Video Show

●6mm 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

Difference Between Ball Screws And Trapezoid Screws

-Ball Screw: A ball screw consists of a threaded shaft and a nut with ball bearings between them. The nut is typically made of steel and has recirculating ball bearings that roll along the helical grooves of the threaded shaft. This design allows for smooth and efficient motion transfer.

-Trapezoid Lead Screw: A trapezoid lead screw has a trapezoidal thread profile. It consists of a threaded shaft and a nut with matching threads. The nut is usually made of bronze or plastic and slides along the threads of the shaft. This design provides a lower efficiency compared to ball screws.

-Ball Screw: Ball screws are known for their high efficiency due to the rolling contact between the ball bearings and the threaded shaft. This rolling motion reduces friction and allows for smoother and more precise movement. Ball screws typically have efficiencies ranging from 70% to 90%.

-Trapezoid Lead Screw:
Trapezoid lead screws have a lower efficiency compared to ball screws.The sliding contact between the nut and the threads results in higher friction and lower efficiency.The efficiency of trapezoid lead screws is generally around 30% to 60%.

3.Precision and Accuracy:
- Ball Screw: Ball screws offer higher precision and accuracy due to their low friction and reduced backlash. The rolling motion of the ball bearings ensures smooth and consistent movement, resulting in precise positioning. Ball screws are commonly used in applications that require high precision, such as CNC machines and robotics.

-Trapezoid Lead Screw: Trapezoid lead screws provide lower precision and accuracy compared to ball screws. The sliding contact between the nut and the threads can introduce more backlash and play, leading to less precise positioning. Trapezoid lead screws are often used in applications where high precision is not critical, such as manual adjustment mechanisms.

4.Load Capacity:
-Ball Screw: Ball screws have a higher load-carrying capacity compared to trapezoid lead screws. The rolling contact between the ball bearings and the threaded shaft allows for better load distribution and handling of heavier loads. Ball screws are suitable for applications that require high load capacity and high rigidity.

-Trapezoid Lead Screw: Trapezoid lead screws have a lower load-carrying capacity compared to ball screws. The sliding contact between the nut and the threads can result in higher friction and reduced load capacity. Trapezoid lead screws are commonly used in applications with lighter loads or where cost is a significant factor.

In summary,ball screws offer higher efficiency, precision, and load capacity compared to trapezoid lead screws. However, trapezoid lead screws are often preferred in applications where cost is a significant consideration and high precision is not critical.


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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