1.Material:Carbon steel,stainless 2.Size:M5-M72 3.Surface:black.zinc plated WELDING NUTS1, Material:A3.35H.SS3042, Size: M5-M723, Surface: plain, black oxide, zinc plated, hot dip galv.etc.4. Packing: plastic bag in box, boxes in per carton, pallet.5. Delivery time: 30days-45days after order confirmation.6.All of the products can be produced by customers' requirements. Welding Nuts