Drill bit set 338 hss-co ø2-8 mm. 6 pieces in a case made of hss co 5% according to din 338. self-centering split point sharpening with special chipbreaker for stainless steel on the cutting edge. 130° point angle and type n 30° helix. anti-slip three-flat shank to prevent chuck slippage due to stress. specific for work on stainless steels, steel and metals