M6 (8mm) x 8mm Socket Shoulder Screws (ISO 7379) - A2 Stainless Steel: Accu.co.uk: Precision Screws
M 6 thread 8mm Shank x 16mm Allen Shoulder Bolt Low Head M 6 thread 8mm Shank x 16mm Allen Shoulder Bolt Low Head [] - £18.50 : Stainless Automotive Fastenings