Hex Slotted Nuts Materials: carbon steel Surface: zinc-plated Size: 3, ... 6, 8, 10, 12, 14, 16, 18 and 20mm Hex Slotted NutsMaterials: carbon steelSurface: zinc-platedSize: M3, 4, 5, 6, ... also provide hardware/rigging hardware such as hinge, drawer lock, lock body, padlock, door lock, furniture handle, door handle, hook etc. as ... excellent quality, competitive price and on-time delivery. Hex Slotted Nuts