About 2596 products for computer screws (0.001)
PVC Pipe Making Machine Screw Barrel
Desc:Specificate of screw barrel :Material38 CrMoAlA(JIS SACM645); 42 CrMo(JIS SCM440)Hardness of nitrogen treatmentHV900~1100Tempering hardenessHB240 ~28...
2024-01-17