Qualfast No.10UNC x 1. Socket Countersunk 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 applications that require a flush finished surface. Precisely controlled countersink angle allows maximum flushness and sidewall contact. Dimensions to BS 2470