Star-M HSS Decking Drill For 75mm Screws$39.50PriceQuantityAdd to CartBuy NowDescription4.5mm x 100mm drill with 10 mm countersink. Drills and countersinks. Fast, clean cutting drill. Ideal for decking and Studwork 5.5x75L screws. Specifications Dimensions 250 x 40 x 20mm