M4 Socket Cap Allen Screw Bolt A4/316 Stainless Steel DIN 912
£2.86
Standard: DIN 912. Note: Bolt lengths do not include the head. What is a socket cap screw/ bolt?. A screw is fully threaded and a bolt is partialy threaded. ‘Socket,’ refers to the hexagon shaped indentation found on the top of the fasteners’ head.