Straight Milled Rack
SSTM JIS N4
Cost-effective straight milled racks with the widest module coverage (M0.5 - M5.0) and a maximum length of 6000 mm. Available in three configurations — without mounting holes, standard hole pattern, or custom hole spacing — and widely used on general-purpose machinery.
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 | S45C Carbon Steel |
| Hardness | HB 170-230(as supplied) |
| Module Range | M0.5 – M5.0(widest coverage) |
| Pressure Angle | 20° / 14.5° Optional |
| Helix Angle | 0°(straight tooth) |
| Tooth Profile Standard | Involute / cycloidal optional |
| Surface Treatment | Precision milled + Black-oxide anti-rust |
| Length Range | Max length 6000 mm; the straight-tooth range with the widest selection |
| Mounting Method | -N Three options: without holes / standard hole pattern / custom hole spacing |
| Typical Applications | Elevator guides, warehouse rack-moving mechanisms, automatic door/window openers, agricultural machinery |