Carriage bolts with square neck as per drawing in attachment Similar to ISO 8677 Stainless steel A2 M8x25 Prismatic square neck (7,8-8,6) x (7,8-8,6) Lenghts square neck 4-6 mm Flanging radius r3 = 0,5 mm Size across corners 10,0 - 11,4 mm (11,4 mm preferably) Quantity: 150.000 pcs.