Self – Drill Tap Screws (as per attached pictures) Hexagon Head Black rubber washer Thread 4.2mm Length: 19mm/25mm/32mm Mat. Thickness: 3.0mm Drive: 1/4" Packing: 500 PCS in box Quantity: 1X20" container QUOTATION MUST SHOW QTY, UNIT WEIGHT, TOTAL WEIGHT, UNIT PRICE AND TOTAL AMOUNT