2010 Full-Line Drill Catalog - Desanto

Shank designsCarbide straight shanks for twist drills and end millsForm HA, plainDimensions in mmchamferwithoutcenter holed 1l 1+2h602 283 284 285 286 368 3610 4012 45d 1l 1+2h6014 4516 4818 4820 5025 5632 60Form HB, with drive flatDimensions in mmwith one drive flat ford 1 = 6 and 20 mmwith two drive flats ford 1 = 25 and 32 mmchamferwithoutcenter holewithoutcenter holed 1h6b 1+0.050e 10-1h 1h11l 1+206 4.2 18 5.1 36 –8 5.5 18 6.9 36 –10 7 20 8.5 40 –12 8 22.5 10.4 45 –14 8 22.5 12.7 45 –16 10 24 14.2 48 –18 10 24 16.2 48 –20 11 25 18.2 50 –l 2+1025 12 32 23 56 1732 14 36 30 60 19chamferForm HE, with whistle notch flat without coolant ducts** Design: Straight shanks to DIN 6335 are available with or without oil feed holes.Applications for various tools, dimensions and position of oil feed holes are fullydescribed within the standard range sections.for d 1 = 6 to 20 mmwithout center holechamferd 1 (b 2) (b 3) h 2 (h 3) l 1 l 4 l 5+2 0 nom.r 2h6 ≈h110 -1 size min.6 4.3 – 5.1 – 36 25 18 1.28 5.5 – 6.9 – 36 25 18 1.210 7.1 – 8.5 – 40 28 20 1.212 8.2 – 10.4 – 45 33 22.5 1.214 8.1 – 12.7 – 45 33 22.5 1.216 10.1 – 14.2 – 48 36 24 1.618 10.8 – 16.2 – 48 36 24 1.620 11.4 – 18.2 – 50 38 25 1.6Technicalfor d 1 = 25 and 32 mm25 13.6 9.3 23.0 24.1 56 44 32 1.632 15.5 9.9 30.0 31.2 60 48 35 1.6305