Center Drill/Countersink - Guhring

MetricCenter Drill/CountersinkNon-flatted body, 60° angleTolerance information can be found in the Technical Section, Page 286General Steels/BrassUniversal SteelsTwist Drills60 od1Cast Irond2l 1* one-sidedSeries 581 613 381 590 736 582 583 614 584Standard DIN 333 DIN 333 DIN 333 GUH STD GUH STD DIN 333 DIN 333 DIN 333 DIN 333Substrate HSS HSS Cobalt HSS Carbide HSS HSS HSS HSSCut Direction RH RH RH RH RH LH RH RH LHForm A A A A A A R R RFeatureSurface FinishReinforced neckOrder Code d1 d2 l10.500* 0.50 3.15 25.0 • • • • •0.800* 0.80 3.15 25.0 • • • • • • •1.000 1.00 3.15 31.5 • • • • • • • • •1.250 1.25 3.15 31.5 • • • • • • • • •1.600 1.60 4.00 35.5 • • • • • • • • •2.000 2.00 5.00 40.0 • • • • • • • • •2.500 2.50 6.30 45.0 • • • • • • • • •3.150 3.15 8.00 50.0 • • • • • • • • •4.000 4.00 10.00 56.0 • • • • • • • • •5.000 5.00 12.50 63.0 • • • • • • • •6.300 6.30 16.00 71.0 • • • • • • •8.000 8.00 20.00 80.0 • • • • •10.000 10.00 25.00 100.0 • • •12.500 12.50 31.50 125.0 • •* one-sidedSeries 281 282 283 284Standard GUH STD GUH STD GUH STD GUH STDSubstrate HSS HSS HSS HSSCut Direction RH LH RH LHForm A A R RFeatureSurface FinishOrder Code d1 d2 l10.500* 0.50 3.15 25.0 • • •0.800* 0.80 3.15 25.0 • • •1.000 1.00 3.15 31.5 • • •1.250 1.25 4.00 35.5 • • • •1.600 1.60 5.00 40.0 • • • •2.000 2.00 6.30 45.0 • • • •2.500 2.50 8.00 50.0 • • • •3.150 3.15 10.00 56.0 • • • •4.000 4.00 12.50 63.0 • • • •5.000 5.00 16.00 71.0 • • •6.300 6.30 20.00 80.0 • •8.000 8.00 25.00 100.0 • •10.000 10.00 31.50 125.0 •Series 280StandardSubstrateCut DirectionFormFeatureSurface FinishGUH STDHSSRHALong lengthOrder Code d1 d2 l11.00 1.00 4.00 120.0 •1.60 1.60 5.00 120.0 •2.00 2.00 6.00 120.0 •2.50 2.50 8.00 120.0 •3.15 3.15 10.00 120.0 •To order: Series number + mm, ex. 5518 3.000bright TiN77

Twist DrillsMetricCenter Drill/CountersinkNon-flatted body, double angle 60°/120°Tolerance information can be found in the Technical Section, Page 286General Steels/BrassUniversal Steels120 o Cast Iron60 od2d1l 1Series 585 586 591Standard DIN 333 DIN 333 DIN 333Substrate HSS HSS HSSCut Direction RH LH RHForm B B BFeatureSurface FinishReinforced neckOrder Code d1 d2 l11.00 1.00 4.00 35.5 •1.25 1.25 5.00 40.0 • • •1.60 1.60 6.30 45.0 • • •2.00 2.00 8.00 50.0 • • •2.50 2.50 10.00 56.0 • • •3.15 3.15 11.20 60.0 • • •4.00 4.00 14.00 67.0 • • •5.00 5.00 18.00 75.0 • • •6.30 6.30 20.00 80.0 • •8.00 8.00 25.00 100.0 •10.00 10.00 31.50 125.0 •Series 285StandardSubstrateCut DirectionFormFeatureSurface FinishGUH STDHSSOrder Code d1 d2 l11.60 1.60 6.30 50.0 •2.00 2.00 8.00 56.0 •2.50 2.50 10.00 63.0 •3.15 3.15 11.20 71.0 •4.00 4.00 14.00 80.0 •5.00 5.00 18.00 90.0 •6.30 6.30 20.00 100.0 •5.00 5.00 18.00 75.0 •6.30 6.30 20.00 80.0 •RHBTechnical 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.78bright TiNTo order: Series number + mm, ex. 5518 3.000

Twist DrillsMetricCenter Drill/CountersinkFlatted bodyTolerance information can be found in the Technical Section, Page 286General Steels/BrassUniversal SteelsCast Iron60 od2d1~15 ol 1S -0,1Series 587 588Standard GUH STD GUH STDSubstrate HSS HSSCut Direction RH RHForm A RFeature 60° angle 60° angleSurface FinishOrder Code d1 d2 l1 S1.600 1.60 4.00 35.5 3.25 • •2.000 2.00 5.00 40.0 4.20 • •2.500 2.50 6.30 45.0 5.35 • •3.150 3.15 8.00 50.0 6.95 • •4.000 4.00 10.00 56.0 8.40 • •5.000 5.00 12.50 63.0 10.95 • •6.300 6.30 16.00 71.0 14.00 • •8.000 8.00 20.00 80.0 17.90 • •10.000 10.00 25.00 100.0 22.50 •Series 589StandardSubstrateCut DirectionFormFeatureSurface FinishGUH STDHSSRHB60°/120° double angleOrder Code d1 d2 l1 S1.600 1.60 6.30 45.0 5.35 •2.000 2.00 8.00 50.0 6.95 •2.500 2.50 10.00 56.0 8.40 •3.150 3.15 11.20 60.0 10.00 •4.000 4.00 14.00 67.0 12.65 •5.000 5.00 18.00 75.0 16.40 •6.300 6.30 20.00 80.0 17.90 •8.000 8.00 25.00 100.0 22.50 •Series 287 288Standard GUH STD GUH STDSubstrate HSS HSSCut Direction RH RHForm A RFeature 60° angle 60° angleSurface FinishOrder Code d1 d2 l1 S1.600 1.60 5.00 40.0 4.20 • •2.000 2.00 6.30 45.0 5.35 • •2.500 2.50 8.00 50.0 6.85 • •3.150 3.15 10.00 56.0 8.40 • •4.000 4.00 12.50 63.0 10.65 • •5.000 5.00 16.00 71.0 13.65 • •6.300 6.30 20.00 80.0 17.40 •Series 289StandardSubstrateCut DirectionFormFeatureSurface FinishGUH STDHSSRHB60°/120° double angleOrder Code d1 d2 l1 S1.600 1.60 8.00 50.0 6.50 •2.000 2.00 10.00 56.0 7.95 •2.500 2.50 11.20 63.0 9.50 •3.150 3.15 14.00 71.0 12.00 •4.000 4.00 16.00 80.0 14.40 •5.000 5.00 20.00 90.0 18.40 •80bright TiNTo order: Series number + mm, ex. 5518 3.000