YOUR TRUSTED FASTENER RESOURCE
HANSAN SCREW CO., LTD.
All Products
Hex Socket Flange Head Cap Bolt
| Steel | Steel | Stainless | |
| Material | Structural alloy steel | Structural alloy steel | SUSXM7 |
| Strength type | 12.9 | 10.9 | A2-70 |
| Hardness | 39~44 HRC | 32~39 HRC | |
| Precision class | JIS 6g | JIS 6g | JIS 6g |
| Surface treatment | Black oxide coating | Black oxide coating | Cleaning |
Feature
·Large washer area can help to prevent concavity (capping phenomenon) of washer surface of tightened object.
·Because washer face is formed to bolt body, there is no phenomenon that breaks down.
·Flat washer face ensures strong tightening torque and stable axial force.
·A large washer area to facilitate drilling of larger hole on tightened object, ensuring easy installation.
·Washer not required, providing reduction of numbers of parts.
