Precision racks & pinions
Precision in every tooth.
KJK Precision is a specialist supplier of high-precision gear racks, pinions and linear motion components. Machine builders choose KJK for consistent accuracy, dependable supply and engineering support that goes beyond the catalogue.
AssemblyRack & pinion
ToothHelical
ScaleNTS
SheetKJK-001
DIN 6 ground accuracyGround racks and pinions for high-precision axes
Hardened & ground teethWear-resistant flanks for long service life
Matched drive systemsRacks, pinions and rollers made to run together
Engineering supportSizing advice and CAD data for every axis
Our products
Complete drive train, one supplier
From laser cutters and CNC routers to gantry robots and material handling systems, KJK components deliver smooth, accurate motion, axis after axis, year after year.
Gear Racks
Straight and helical racks, milled or hardened and ground, for long linear axes.
View racks →Pinions
Cylindrical, flange and shaft pinions matched to every rack module.
View pinions →Guideway Racks
Rack and running track in one bar, in V-type, round-type and standard profiles.
View guideway racks →Roller Series
Sealed V-type and round-type guide rollers that run on guideway racks.
View rollers →LM Clamps
Manual and pneumatic clamping elements for linear guide rails.
View LM clamps →Accessories
Lubrication gears, rack joining gauges and mounting parts.
View accessories →Why KJK Precision
Built around how machine builders buy
Data before you orderCatalogues, dimension drawings and 3D models are online, so your design team can start today.
Help choosing the sizeSend your load, speed and travel. We check rack module, pinion and guide system and explain the choice.
One matched systemRack, pinion, rollers and clamps from one source, checked to work together.
Quick quotationsEnquire by form and get a reply within one business day.
Industries
Where KJK components work
Laser & Plasma Cutting
Fast, accurate gantry motion over long beds.
Helical racksPinions
CNC Router & Woodworking
Rigid drives for routers, nesting machines and panel saws.
RacksPinions
Factory Automation
Gantry robots, pick-and-place and transfer lines.
Guideway racksRollers
Have a drawing or a part number?
Send it to us through the enquiry form. We will confirm the equivalent KJK part, price and delivery time.