UNC SOCKET BUTTON HEAD SCREWS A2 STAINLESS STEEL IMPERIAL HARLEY ALLEN BOLTS GWR | eBay
6 x 1/4" Diameter x 1/2" Long 20 TPI UNC A2 Stainless Socket CAPS Imperial Hexagon Allen Bolts Screws Harley, Motorbikes, Classic Cars, GP Camera Mount : Amazon.co.uk: DIY & Tools
3/8" UNC 8.8 Grade Zinc Plated Steel Hex Head Set Screw Fully Threaded Bolts - Spalding Fasteners
Imperial Fasteners | Fabory
3/8-16 UNC x 3/4 inch Imperial Full Thread Hexagon Bolts (ANSI B18.6.3) - Black A2 Stainless Steel: Accu.co.uk: Precision Screws
5/16-24 UNF x 5/8 inch Imperial Full Thread Hexagon Bolts (ANSI B18.6.3) - A2 Stainless Steel: Accu.co.uk: Precision Screws