DIN931、DIN933/HEXAGON HEAD CAP SCREWS
- Country of Origin:
- Taiwan
- Material:
- Alloy Steel/Stainless Steel /Mild Carbon Steel
Detail Specifications / Descriptions
According To: DIN 931/933
Strength Class: 12.9 8.8
Material: Alloy Steel Carbon Steel Stainless Steel
SAE 4135 SAE 1035 304
Hardness(HRC): 39~44 22~34
Surface Treatment: Black Oxide