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02 0512 AU Sp ub 0 1 18 © METRIC TiN PREMIUM TWIST DRILL DIN 338 Diameter Length Chip flute length Art No P Qty 1 0 mm 34 mm 12 mm 0624 020 100 1 10 1 5 mm 40 mm 18 mm 0624 020 150 2 0 mm 49 mm 24 mm 0624 020 200 2 5 mm 57 mm 30 mm 0624 020 250 3 0 mm 61 mm 33 mm 0624 020 300 3 2 mm 65 mm 36 mm 0624 020 320 3 3 mm 0624 020 330 3 5 mm 70 mm 39 mm 0624 020 350 4 0 mm 75 mm 43 mm 0624 020 400 4 1 mm 0624 020 410 4 2 mm 0624 020 420 4 4 mm 80 mm 47 mm 0624 020 440 4 5 mm 0624 020 450 4 8 mm 86 mm 52 mm 0624 020 480 4 9 mm 0624 020 490 5 0 mm 0624 020 500 5 2 mm 0624 020 520 1 5 5 5 mm 93 mm 57 mm 0624 020 550 5 6 mm 0624 020 560 5 8 mm 0624 020 580 6 0 mm 0624 020 600 6 4 mm 101 mm 63 mm 0624 020 640 6 5 mm 0624 020 650 6 8 mm 109 mm 69 mm 0624 020 680 7 0 mm 0624 020 700 7 5 mm 0624 020 750 8 0 mm 117 mm 75 mm 0624 020 800 8 5 mm 0624 020 850 1 3 9 0 mm 125 mm 81 mm 0624 020 900 9 5 mm 0624 020 950 10 0 mm 133 mm 87 mm 0624 021 000 10 5 mm 0624 021 050 1 11 0 mm 142 mm 94 mm 0624 021 100 11 5 mm 0624 021 150 12 0 mm 151 mm 101 mm 0624 021 200 12 5 mm 0624 021 250 13 0 mm 0624 021 300 14 0 mm 160 mm 108 mm 0624 021 400 15 5 mm 178 mm 120 mm 0624 021 550 16 0 mm 0624 021 600 17 5 mm 191 mm 130 mm 0624 021 750 18 0 mm 0624 021 800 Premium TiN Titanium Nitride headcoated assembly drill bits for precise working in steel Lasts up to 3 times longer than a noncoated HSS drill Precise drilling The sturdy twist drill with its short design provides for precise drilling Selfcentering Crosswise grinding ensures an excellent centering effect even on round materials eliminating the need for centerpunching or piloting Noticeably longer service life Thanks to the TiN headcoating and the HC highspeed cutting grind Consistent drilledhole quality and high precision are ensured thanks to the associated precise cutting edge geometry TiN Titanium Nitride coated HSS Steel has a maximum application temperature of 400ºC The TiN coating increase the heat resistance up to 600ºC which results in up to 3 times more tool life in comparison with a noncoated HSS drill Drilling depth 5x drill bit diameter Note Drills greater than 13 mm diameter have a reduced shank size of 12 7 mm Steel Drill type Li fe sp an 1 2 3 TIN HSS Properties Tool life ●●●○ Drilling speed ●●●○ Drilledhole quality ●●○○ Versatility ●●○○ Drilling behaviour ●●○○ Drilling depth 5 x drill bit dia