5x Qualfast 3/4 UNC X 4. Skt Countersunk Head Screw A2
High Grade Alloy Steel to BS EN ISO 898/1 Grade 10.9. Suitable for all high tensile applications. Maximum operating temperature (unplated): 300C. For applications that require a flush finished surface. Precisely controlled countersink angle allows maximum flushness and sidewall contact.
Dimensions to BS 2470