2010 Full-Line Drill Catalog - Desanto

NumberSizeCenter Drill/CountersinkNon-flatted body, 60° angleTolerance information can be found in the Technical Section, Page 286General Steels/BrassUniversal SteelsTwist Drills60 od1Cast Irond2l 1Series 594StandardSubstrateCut DirectionFormSurface FinishOrder Code Size d1 d2 l11.19 1 3/64 1/8 1 1/4 •1.98 2 5/64 3/16 1 7/8 •2.78 3 7/64 1/4 2 •3.17 4 1/8 5/16 2 1/8 •4.76 5 3/16 7/16 2 3/4 •5.56 6 7/32 1/2 3 •6.35 7 1/4 5/8 3 1/4 •7.94 8 5/16 3/4 3 1/2 •ASAHSSRHASeries 595StandardSubstrateCut DirectionFormSurface FinishASAHSSRHBOrder Code Size d1 d2 l11.19 11 3/64 1/8 1 1/4 •1.59 12 5/16 3/16 1 7/8 •2.38 13 3/32 1/4 2 •2.78 14 7/64 5/16 2 1/8 •3.97 15 5/32 7/16 2 3/4 •4.76 16 3/16 1/2 3 •5.56 17 7/32 5/8 3 1/4 •6.35 18 1/4 3/4 3 1/2 •Series 292 294Standard BRITISH 328 BRITISH 328Substrate HSS HSSCut Direction RH LHForm A ASurface FinishOrder Code Size d1 d2 l11.19 1 3/64 1/8 1 1/2 • •1.59 2 1/16 3/16 1 • •2.38 3 3/32 1/4 2 • •3.17 4 1/8 5/16 2 1/4 • •4.76 5 3/16 7/16 2 15/32 •6.35 6 1/4 5/8 3 •7.94 7 5/16 3/4 3 1/2 •Technical Specifications - Form A Center DrillsStandard DIN 333 GUH STD British Std. 328 ASA (USA Std.)Point grind relived cone relived cone relived cone relived conePoint angle 118° 118° 118° 118°Web thin1.6 mm dia up to DIN 1412,form A1.6 mm dia up to DIN 1412,form Ato DIN 1412, form A> 1.6 mm dia toDIN 1412, form ADescriptionStandard drill for producing center holes to DIN 332, sheet 1,Form A (without protecting chamfer)Technical Specifications - Form B Center DrillsStandard DIN 333 GUH STD ASA (USA Std.)Point grind relived cone relived cone relived conePoint angle 118 118 118Technical Specifications - Form R Center DrillsStandard DIN 333 GUH STDPoint grind relived cone relived conePoint angle 118 118Web thin1.6 mm dia up to DIN1412, form A1.6 mm dia up to DIN1412, form Ato DIN 1412, form AWeb thin 1.6 mm dia up to DIN 1412, form A 1.6 mm dia up to DIN 1412, form ADescriptionSpecial purpose drill for producing center holes to DIN 332, sheet 1, form B (withprotecting countersink of 120 deg.)Series 591 has a reinforced neck for higher metal removal rates.DescriptionSpecial purpose drill for producing center holes to DIN 332, sheet 1,form R (radiused)Radius form for high fracture resistance properties, precise concentricity of the point inrelationship with the body and a protected center hole.To order: Series number + mm, ex. 5518 3.00079