12.9Flange Socket

12.9Class hexagon socket flange head cap screw
Supported specifications:M3 to M12 (standard inventory)
Manufacturer: NSN, GOSHO, KKT,  etc.
Material: Structural alloy steel
Hardness: 39-44HRC
Surface treatment: blackening treatment (other surface treatments are available on demand)
Please ask our customer service for  specifications not shown in the following table .

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