8 Sets 5/16-18 x 3" Hex Head Screws Bolts, Nuts, Extra-Large and Thick Flat & Lock Washers, Fully Threaded, Stainless Steel 18-8, Plain Finish : Amazon.co.uk: DIY & Tools
M14 x 2 Hex Extra-Long Coupling Nut 22 A/F 100 Lg 16 Thd Lg Ea End Steel Zinc Plt USA - AMPG - Shoulder Screws, Shoulder Bolts, Sex Bolts, Flat Washers, Machine
Sugino Chainring Bolts - extra long
4x m6 x 60mm or 90mm long bed bolts with barrel nuts, cot, furniture Bolts BZP | eBay
M12 x 1.25P Extra Fine Pitch Hex Bolt A2 304 Stainless Steel DIN960 – Fixaball Ltd. Fixings and Fasteners UK