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SFI Ball Screws

SFI ball screw uses internal circulation design.With strong dust-proof design,the SFI ball screw prevents abnormal chips getting into the ballnut.

ALM SFI Ball Screw Basic Information

AccuracyC1,C3,C5,C7(JIS standard)
Axial play0~0.005mm(Can be zero)


FeaturesClean and smooth,excellent surface finsh
CertificatesISO9001:2015,CE certificate,RoHS and reach compliance
ALM provides custom service,ball screws can be manufactured according to customer requirements.

ALM SFI Ball Screw Advantages:

Easy to use and install.

Affordable and long service life.

Space saving internal circulate design.

High durability,high positioning accuracy,and smooth.

ALM SFI Ball Screw Intelligent Manufacturing and Inspection

ALM SFI Ball Screw Applications

SFI ball screw is ideal for applications requiring high durability,high positioning accuracy,and smooth operation.The following pictures show the common application of SFI ball screws.

robot indurty

Robot industry

round ballnut ball screw for medical

Medical industry

round ballnut for laboratory

Laboratory equipments

round ballnut ball screw for packaging machine

Packing machine

round ballnut ball screw for laser cutting machine

Laser cutting machine

ball screw for 3D printer

3D printer




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


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