YOUR TRUSTED FASTENER RESOURCE
HANSAN SCREW CO., LTD.
HANSAN SCREW CO., LTD.
Hex Socket Flat Head Cap Bolt

| Strength type | SCM435 | 10.9 | 8.8 |
| Material | Structural alloy steel | Structural alloy steel | Structural alloy steel, structural carbon steel |
| Hardness | 39~44 | 32-39 | D≤16 22~32 d>16 23~34 |
| Precision class | JIS 5g 6g | JIS 6g | JIS 6g |
| Part grade | A | A | A |
| Surface treatment | Black oxide coating | Black oxide coating | Black oxide coating |
