ITEM NAME:M4 Aluminum Countersunk Rivet Open End Nuts 30 Pieces H6W4 M4 Aluminum Countersunk Rivet Open End Nuts 30 Pieces H6W4 Thread size: (D) M4 / 0.16 inch Product name: Rivet Nut; Brand new and high quality, this product is your best choice. Do not hesitate. It is time to replace your old, worn, damaged product. Material: Aluminum Weight: 12g Main color: Silver Application hole size (d0): 5mm / 0.2 inch Quantity: 30 pieces Flange size (DK * K): 9 x 1mm / 0.35 inchx 0.04inch (D * Thickness) Thread pitch: 0.7mm Total length (L): 11mm / 0.43 inch Body diameter (d): 6mm / 0.24 inch Package content: 30 x rivet nut Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.