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.
UNC/UNF Dimensions to ANSI B 18.3
BSW/BA Dimensions to BS 2470