Qualfast NO.10UNFx1/2 SKT BUTTON HEAD SCREW (GR-10.9)

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