

Design Details | Screw I TYPE:nitirding ones II TYPE:bimetallic ones III TYPE:chrome plating ones Barrel I TYPE:nitriding ones II TYPE:bimetallic ones |
Accessories | 1Xscrew head,1xscrew collar,1xscrew sheel,1xbarrel flange,1xbarrel nozzle |
Technical Specification | Material:High quality 38CrMoAlA Process:Advanced nitriding & bimetallic process Hardness After Hardening & Tempering:HB280-320 Nitrided Hardness:HV900-1000 Nitrided Case Depth:0.45-0.8mm Nitrided Brittleness:Less than Grade 2 Surface Roughness:Ra 0.4 Screw Straightness:0.015mm Alloy Hardness:HRC 50-65 Alloy Depth:0.8-2.0mm for screw and 1~3mm for barrel |
MOQ | 1 set (1 pc screw and 1 pc barrel) |
Delivery | 30~45 days |