Specification:
45/90, 45/100, 50/105, 51/105, 55/110, 55/120, 58/124, 60/125, 65/120, 65/132, 68/143, 70/135, 70/140, 75/150, 80/143, 80/156, 92/188, 105/216, 110/220
The above are our standard specifications, we can customize according to customers' requirements.
The compression ratio of screws can be designed according to different raw material and products.
Material of Screw and Barrel:
Raw Material
The Finished Product Processing Requirements
38CrMoAlA, SACM645, 42CrMo
Nitriding Treatment
42CrMo, AISI 4140
Chrome Plating Hardness Layer
4Cr5MoSiV1, SKD-61, SKD-11
Spraying Bimetal Alloy Layer And Nitriding Treatment
HPM38, SI36, SUS440, 9Cr18MoV
Sta…