UNC 1/4 x 1 1/2" BZP hex head shoulder bolt. Pk 20. - Ace Fixings (Cumbria) Ltd
UNC 3/4"xUnder 8" Hex Bolt and Set Screw High Tensile 8.8 BZP DIN931 – Fixaball Ltd. Fixings and Fasteners UK
6 x 1/4" Diameter x 1/2" Long 20 TPI UNC Button Head Bolts A2 Stainless Steel Socket Allen Head Bolt, Motorbikes, Classic Cars, Camera MOUNTS ETC : Amazon.co.uk: DIY & Tools