Socket Head Button Screw, UNC - A2 Stainless - Grade 70 - ASME B18.3

High Grade Alloy Steel to BS EN ISO 898/1 Grade 10.9.
Suitable for all high tensile applications. Maximum operating temperature (unplated): 300°C.
For materials that are too thin to countersink. Low head profile for a smooth finished appearance. Also suitable for non-critical loading requiring heat treated fasteners.