US$1.00-1,010.00 | 1 Piece (MOQ) |
Product | Screw&Barrel |
Tempering hardness | HB240-280 |
Hardness of nitrogen treatment | HV950-1000 |
Depth of nitrogen layer | 0.55-0.70 |
Nitride brittleness | Less than grade 1 |
Surface roughness | Ra 0.4 |
Screw straightness | 0.015mm |
Hardness after nitride | ≥900HV |
Chromium-plating depth | 0.05-0.10mm |
Alloy hardness | HRC55-62 |
Alloy Depth | 1.5-2.0mm |