... forging, turning, stamping, casting. We can supply all kinds of fastener as below: NUTS: Cap Nuts , Flange Nuts, Hex Nuts, ... Carriage Bolts, Hex Flange Bolts, U Bolts, Eye Bolts. SCREWS: Self Drilling Screws, Chipboard Screws, Dry Wall Screws, Machine Screws ... , Self-tapping Screws, Hanger Screws WASHERS: Spring Washer, Flat Washer (Round, ...