Famag Brad point drill bit HSS-G OAL 150 mm Ø 3 4 5 6 7 8 9 10 11 12 mm Set of 10pcs in Wooden Case Ref: 1599.510 Key Features: Premium quality version, extra long, fully ground quality with two main cutting edges and two taper taps. Internally ground special spiral for very good chip removal For exact drilling in all, particularly hard materials. Also suitable for some plastics, such as acrylic glass, Corian®, GFRP, HPL coating, polycarbonate, PVC and Trespa® board. Specially designed chip flutes guarantee a good chip removal, you receive best results when drilling deep holes Please do not use drills with a smaller than 8 mm in the power drill, it might break. Premium quality at a fair price. Optionally put the brad point on the surface UPM: 2500 - 4000 rpm e.g. 5 mm 4000 rpm in European hard wood. Smaller with long AL should be used with less speed