DIN 933 Hexagon Head Set Screw - Fully Threaded - Various Materials and Dimensions
M8x20 Hex Head Bolts, Metric Hexagon Bolts, Black, High Tensile Cap Screws Suitable for Metal Construction Work, Automotive Machinery, DIY, HT Steel Class 10.9 DIN933 8mm x 20mm (Pack of 10) :
3/4" BSW Whitworth Hex Bolt High Tensile R/ 8.8 Self-Colour DIN933 – Fixaball Ltd. Fixings and Fasteners UK
M5 x 25mm Plain Hexagon Bolts (DIN 931) - A2 Stainless Steel: Accu.co.uk: Precision Screws