Straight Quenched & Tempered Rack (Alloy Steel, Without Mounting Holes)
MSTMQ JIS N4
SCM440 Alloy-steel quenched-and-tempered racks supplied without mounting holes, so users can machine their own hole positions as required for maximum flexibility. Supplied as raw bar stock (3000/4000/6000 mm), designed for custom machining by OEM equipment manufacturers and non-standard automation integrators.
Precision Grade
Normal Grade N
High Grade H
Precision Grade P
Super Precision SP
Ultra Precision UP
| Item | Parameter Details |
|---|---|
| Precision Grade | JIS N4 |
| Material | SCM440 Alloy steel (quenched and tempered) |
| Hardness | HRC 28-32° |
| Module Range | M1.5 – M4.0 |
| Pressure Angle | 20° |
| Helix Angle | 0° |
| Tooth Profile Standard | Involute |
| Surface Treatment | Quenched and tempered + Milled tooth + Fully finished |
| Length Range | Raw bar lengths: 3000 mm, 4000 mm, 6000 mm |
| Mounting Method | -N Without holes (user drills their own) |
| Typical Applications | OEM custom machining by OEM equipment manufacturers and non-standard automation integrators |