HSS Fully ground drill bits manufactured to DIN 338. 135° 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