Sealey DBS170FG HSS Fully Ground Drill Bit Assortment 170pc 1-10mm Fully ground HSS drill bits manufactured to DIN 338. 135ø Split point is self-centring which helps to reduce thrust, friction and heat and aids easier penetration. Efficient clog-free swarf clearance. Suitable for use with both hand and pillar drills, particularly on high carbon steels and copper. Supplied in tough composite storage case. HSS Fully ground drill bits manufactured to DIN 338 135ø Split point is self-centring which helps to reduce thrust, friction and heat and aids easier penetration Efficient clog-free swarf clearance Sizes: 1 to 8mm in 0 5 increments (10 of each) Sizes: 8 5 to 10mm in 0 5 increments (5 of each) Supplied in tough composite storage case Model No DBS170FG