2010 Full-Line Drill Catalog - Desanto

Single-fluted gun drills EB 80suitable for almost every material, from Ø 2 - 40.0 mm,max. total length 3000 mmFor certain materials a coating is required, as the successful application of gun drills with a bright surface finish cannot be guaranteed.For coating definitions see GuhringNavigator.TiN-coat FIRE MolyGlide TiCNThe dimensions required to calculate the lengthfor conventional machine toolshead lengthworkpiecedriver* max. flute length per tool40 x D, for larger drillingdepths apply two tools. (i.e.Ø 10 x 450 and Ø 9.95 x 850mm)Dre-grindup to D 6 ~ 4 x Dup to D 20 ~ 2 x Dup to D 40 ~ 1 x Ddrilling depthmin. distance~4 x Ddriver lengthflute lengthtotal lengthEB 80Head forms(position ofsupporting strips)GStandard designsSuitable for all materials,but for smaller hole tolerancesESpecial designsSuitable for all materials,but for larger hole tolerancesCATechnicalSuitable for difficult-to-machinematerials, i.e. high-alloyed steelsSupporting stripDSuitable for all materials,but only when spottingconditions are unfavourableThis design is predominantlysuitable for grey cast ironEB 80Standard point grindsspecial point grinds available)30°15°Ø 2…4.00 mm Ø 4.01…20.00 mm Ø 20.01…40 mm30°15°30°15°20°12°35°30°15°D425°40°35°30°20°12°D430°27°0,3 ... 0,725°15°10°D420° 21°18°10°0,7 ... 1,2DDD322