Specifications & Tolerances

ToothingPressure angle α=20° ground
Gear quality gradeQ6 (in accordance with DIN 3962, 3963, 3967)
Outer surfacesGround on all sides
MaterialX90CrMoV18 (stainless steel)
Pitch typeModule pitch
Single pitch deviation fp (module ≤ 3)0.006 mm
Single pitch deviation fp (module > 3)0.008 mm
Cumulative pitch deviation over 1000 mm0.035 mm

Diagram

Q6 stainless steel straight toothed gear rack dimension drawing

Standard Dimensions

Model m p (mm) L1 (mm) z b (mm) hk (mm) ho (mm) Weight (kg)
ZST M2 - 24x24x1005 -G26.281005.31602424224.2
MST M2 - 24x24x201 -G26.28201.0322424220.8
ZST M3 - 29x29x1017 -G39.421017.91082929266.0
MST M3 - 29x29x198 -G39.42198.0212929261.2
ZST M4 - 39x39x1005 -G412.571005.38039393510.7
MST M4 - 39x39x201 -G412.57201.0163939352.2
ZST M5 - 49x39x1005 -G515.711005.36449393413.1
MST M5 - 49x39x204 -G515.71204.0134939342.7

Legend

Symbols & Codes
  • m Module
  • p Pitch (p=m×π)
  • L1 Overall length (mm)
  • z Number of teeth
  • b Width (mm)
  • hk Height (mm)
  • ho Addendum height (mm)
  • ZST Standard gear rack (with mounting holes)
  • MST Short gear rack (without mounting holes)
  • -G Straight
ESC