Main Products: tools ,cutting tools ,machine tools ,cutting tools for holes ,taps and dies&gages ,milling cutters
The screw and barrel for single-screw exturde machine
Negotiable /Pole
Min.Order:1000 Poles
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Ningbo City Roadbridge Sanhan Tools Manufacture Co.,Ltd.
Business Type: Trading Company
Zhejiang ChinaMain Products: tools ,cutting tools ,machine tools ,cutting tools for holes ,taps and dies&gages ,milling cuttersProduct Details
Material of screw and barrel: Alloy-steel of High-Quality
1)38 CrMoAIA(JIS SACM645)
2)42CrMo(AISI 4140)
Features of screw and barrel:
Heat-treatment
Nitriding treatment
Electoplated hard-chorme finish
high-frequency quenching
Spray coating Bimetallic -alloy
Vacuum quenching
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