GUNDRILLS USER GUIDE Standard Gundrill Drivers for Machining Centers, Lathes, etc. Drivers Drivers are available for dedicated and CNC machines for any specified diameter and length. Below are the driver codes and technical data. F F BRAZED GUNDRILL SOLID CARBIDE F = CYLINDRICAL TUBE GUNDRILL Max. Equal or less More Driver cutting than max. cutting than max. F = Straightening Driver Type Drawing DXL code diameter diameter diameter extension 4x28 N°1 2.749 10 20 18 5x28 N°2 3.249 10 20 15 6x36 N°3 4.249 10 20 14 8x36 N°4 5.749 10 20 14 10x40 N°5 7.299 10 20 15 12x45 N°6 8.999 10 20 15 .50x1.78” N°94 9.699 10 20 15 14x45 N°7 10.999 10 20 15 Cylindrical L 16x48 N°8 12.399 10 20 15 DIN1835A D 18x48 N°9 14.399 10 20 15 DIN6535HA .75x2.03” N°95 14.899 10 20 15 20x50 N°10 15.899 10 20 25x56 N°11 19.509 10 25 1.00x2.28” N°96 19.509 10 25 1.25x2.28” N°97 25.609 10 25 32x60 N°12 25.609 10 25 40x70 N°13 32.609 10 25 50x80 N°14 40 10 25 63x90 N°15 40 10 25 6x36 N°16 2.749 10 20 15 8x36 N°17 3.249 10 20 15 10x40 N°18 7.299 10 20 15 12x45 N°19 8.999 10 20 15 L .50x1.78” N°98 9.699 10 20 15 16x48 N°20 12.399 10 20 15 WeldonDIN1835BDIN6535HB D 18x48 N°21 14.399.75x2.03”N°9914.899L20x50N°2215.89925x56N°2319.5091010101020202025151515 D 1.00x2.28” N°100 19.509 10 25 1.25x2.28” N°101 25.609 10 25 32x60 N°24 25.609 10 25 40x70 N°25 32.609 10 25 50x80 N°26 40 10 25 63x90 N°27 40 10 25 6x36 N°28 2.749 10 20 8x36 N°29 3.249 10 20 10x40 N°30 7.299 10 20 15 WhistleNotchDIN1835E L 12x45 N°31 8.99916x48N°3212.399D18x48N°3314.39920x50N°3415.8991010101020202020 15151515 25x56 N°35 19.509 10 25 32x60 N°36 25.609 10 25 40x70 N°37 32.609 10 25 6x36 N°38 2.749 10 20 15 8x36 N°39 3.249 10 20 15 Whistle L 10x40 N°40 7.299 10 20 15 Notch 12x45 N°41 8.999 10 20 15 DIN6535HE D 16x48 N°42 12.399 10 20 15 18x48 N°43 14.399 10 20 15 20x50 N°44 15.899 10 20 15 301