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02 0521 AU Sp ub 0 4 18 © METRIC BLACK HSS TWIST DRILL DIN 338 Highquality ground drill bit Meets the toughest demands with regard to precision and durability Specially suited for use in handheld power drills • Made from high per formance high speed steel HSS M2 for universal use especially in steel of up to 1 000 Nmm 2 • Extremely low production tolerances with preciselydefined surface and profile qualities - More precise drilling properties • Spiral angle 35° to 40° • Point angle 130° • Point thinning special optimised split point • Considerably reduced residual transverse cut - Easier spot drilling no need for centrepunching - Feed force and torque are reduced • Complies with DIN 338 Nfor short HSS drill bits Suited for Specialist use especially for ferrous metals such as mild steel carbon steel stainless steel cast iron and wrought iron Partner Products Cutting Oil Tapping Bits Master Tools The newlydesigned drill point sets new standards for the drilling properties of Zebra bits Assortments Contents Art No No of pieces 1 drill bit each 1 0 - 10mm 0 5mm intervals 0624 000 001 19 1 drill bit each 1 0 - 13 0mm 0 5mm intervals 0624 000 004 25 10 each dia 1 0 - 6 0mm 5 each dia 6 5 - 10 5mm 0 5mm intervals 5964 624 020 155 ① ② • Narrow chamfer width ① • Increased core pitch ② - Greater stability of bit - Longer lifespan - Friction in the hole is reduced - Bit and workpiece heat up less Steel Properties Tool life ●●●○ Drilling speed ●●●○ Drilledhole quality ●●●● Versatility ●●○○ Drilling behaviour ●●●○ Drilling depth 5 x drill bit dia ●●●○ ●●●○ ●●●○ ●○○○