170 Piece Fully Ground HSS Cobalt Drill Bit Set- 1mm to 10mmSplit Point TipsFully ground HSS Cobalt drill bits manufactured to DIN 338. 5% Cobalt gives increased heat hardness which helps extend the life of the drill bit. 135 Split point is self-centring which helps to reduce thrust and aids an easier penetration. Efficient clog-free swarf clearance. Suitable for drilling high carbon steel and stainless steel. Supplied in tough composite storage caseFeatures: Fully ground HSS Cobalt drill bits manufactured to DIN 338. 5% Cobalt helps to increase life of drill bit. 135 Split point is self-centring for easier penetration. Efficient clog-free swarf clearance. Suitable for drilling high carbon steel and stainless steel. Sizes from 1 to 10mm in 0.5mm increments. Supplied in tough composite storage case. Specification: Contents -1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8mm (10 of each), 8.5, 9, 9.5, 10mm (5 of each) Net Weight -3.10kg Further Information We sell a wide variety of tools and workshop equipment for both the DIY and Professional markets. Alias: ys03953 Loops 170 Piece Fully Ground HSS Cobalt Drill Bit Set- 1mm to 10mm - Split Point Tips