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screws,conical/parrallel,PVC,PP screw
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screws,conical/parrallel,PVC,PP screw

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Description

?Depth of nitration case:0.5?.8mm
?Hardness of nitration:950?020Hv
?Fragility of nitration:Less than grade 1
?Roughness of the surface：Ra 0.4μm
?Linearity of the screw:0.015mm
?The surface hard chromium plating hardness after nitration:≥950Hv
?Chromium-plating layer thickness:HRC55鐨?2?
?Hardness of double alloys:0.03?.08mm
?Depth of double alloys:> 2mm

screws, twin conical/parallel screws,

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barrels,single/twin,conical/parallel,bimetallic,pl...

Zhejiang Lichao Plastic Machinery Export Co.Ltd

screws

Address: G2-1401,No.587 Renming Road,Jiangbei,Ningbo,
Ningbo, Zhejiang
China, 315000

Tel: 0086-574-87353165
Fax: 0086-574-87353175

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