Slotted cheese head screws BS 4183 Stainless steel M12X20 100 pcs. or minimum order quantity Hexagon head screws BS 3692 Zinc plated steel 8.8 M8X10 Wire locked 100 pcs. or minimum order quantity Studs metal end BS 4439 1.1/2 D 4H Steel 8.8 M16X45 100 pcs. or minimum order quantity