Brand:Shenglong
Quantity:30
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Screw Technical Specifications:Steel Material DIN 41CrA1Mo7 / AST M4140
Heat Treatment Nitride depth: 0.5 mm - 0.7 mm
Surface hardness: HV900 - HV1, 000
Chromate plating: Thickness 0.05 mm - 0.10 mm, hardness HV950
Special treatment: Carbide coating and bimetallic barrel
Screw straight tolerance 0.015 mm/m
Surface roughness Ra 0.4µm
Inexpensive new made in China for worn off and broken replacement. Alternatives for refurbished and rebuild ones, with satisfactory quality and cost saving for your production need
look forward your visiting and cooperation!
