... Slotted Nuts Materials: carbon steel Surface: zinc-plated Size: 3, 4, 5, 6, 8, 10, 12, 14, 16, 18 and 20mm Hex Slotted ... Leading Metal Ltd specialize in component fastener field includes nuts, bolts, washers, screws, pins, rivets, anchors ... per international standard IFI, ANSI, DIN, ISO, JIS, BC etc. and non-standard parts according ... price and on-time delivery. Hex Slotted Nuts