Precision Ball Screw Solutions
Engineered for high-performance motion applications.

KSS Ball Screw Product Families
SG Series
Precision Ground for Highest Precision, C3 and C5 Precision Grades, Preloaded Options, Ø3mm to Ø15mm, up to 505mm travel
SD Series
LH-RH Threads for Bidirectional Travel, C3 and C5 Precision Grades, Ø4mm to Ø12mm, up to 160mm travel in each direction
SR and SRT Series
Most Economical, Rolled Ct7 and Ct10 Grades, Ø4mm to Ø15mm, up to 965mm travel
SSR and SSRT Series
Stainless Steel Ball Screws, Rolled Ct7 and Ct10 Grades, Ø6mm to Ø10mm, up to 320mm travel
PSR and PSRT Series
C5 Grade Precision at a better cost, Precision Rolled, Ø4mm to Ø12mm, up to 255mm travel
NSG and NSR Series
ISO and DIN Standard Threaded Ball Nuts, Precision Ground C3-C5 Grades, Rolled Ct7-Ct10 Grades, Ø4mm to Ø12mm
NSGF and NSRF Series
Flanged-nut versions of the compact NSR and NSG ranges. The flange carries four mounting holes on a defined PCD, so the nut bolts straight to your table or carriage — no threaded housing required.
Custom Ground Ball Screws
Fully Customized; Precision Ground C0-C7 Grades; Ø1.8mm to Ø16mm; Flanged, Cylindrical, Threaded, or Custom Ball Nuts
Custom Rolled Ball Screws
Fully Customized; Rolled Ct7-Ct10 Grades; Ø4mm to Ø15mm; Flanged, Cylindrical, Threaded, or Custom Ball Nuts
Ball screws technical Info
Accuracy grades, load ratings, lead options and engineering data for all KSS ball screw series.