... Product Description Usually refered to as twist drill, twist bits are probably the most common ... from the hole and tend to keep the bit straight. They can used on timber, metal, plastics ... #, 9341#, M2, M35, M422. Type of Flute: type N, H, W & VA3. Finished: Blue, Blue & White, White, Titanium ... Flute: Double Flute, Three Flute & Four Flute HSS twist drill bits & setSize(mm)Qty (sets/CTN)Means (cm) ...