bimetallic screw and barrel

Material:, 1>38CrMoAlA(JIS SACM645), 2>42CrMo(JIS SCM 440), 3>9Cr18Mov, 4>CW6Mo5Cr4V2 - details see: https://www.machineto.com/bimetallic-screw-and-barrel-10334732
Place of Origin:Zhejiang China (Mainland)Brand Name:jjscrewModel Number:jjscrew 
bimetallic screw and barrel
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Different sizes of screw and barrel:

Material:
1>38CrMoAlA(JIS SACM645)
2>42CrMo(JIS SCM 440)
3>9Cr18Mov
4>CW6Mo5Cr4V2

5>Bimetallic

TECHNICAL DATA:

Depth of nitration case:0.4-0.7mm

Hardness of nitration:HV850-1000(HRc55°-62°)

Roughness of surface:Ra 0.4um

Screw straightness:0.015mm/m

Chrome plating thickness:0.05-1.0mm

Bimetal coating thickness:0.8-2.0mm

screws and barrels can also be manufactured by your specific demands or your own design.

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Bimetallic screw and barrel

bimetallic screw and barrel
Packaging Detail:wood case
Delivery Detail:25days

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