English
English
Non-standard square slotted cylindrical head screw (triangular teeth)
Product serial number
：
HY0601-03993
Category
：
Non-standard high difficulty cold heading series
Standard
：
Non-standard customization
Size
：
M4-0.7*12
Strength grade
：
10.9级
Material
：
SCM435
Product details
Surface treatment process
：
热处理，三价彩锌
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