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高速、高进给钻孔，长径比最高可达 8xD，标配的内冷功能。

获得专利的刀尖半径，可延长刀具寿命，提供卓越的孔质量，并避免退刀过程中出现工件崩刃情况。

获得专利的 HPR 薄化钻尖，具有极佳的定中心性能，而且推力低，实现出色的孔垂直度。

4 个刃带设计，具有极高稳定性，是交叉孔钻孔和斜面出口钻孔应用的理想之选。

高度抛光的排屑槽可最大限度减少摩擦力，改善切屑排屑性能，并延长刀具寿命。

符合 MQL 要求！所有刀柄均符合 DIN 6535 和 69090-03 微量润滑 (MQL) 要求。

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Workpiece Material
Workpiece Material
  • P Steel (460)
    • P0
      Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS
      (460)
    • P1
      Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS
      (460)
    • P2
      Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS
      (460)
    • P3
      Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS
      (460)
    • P4
      Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS
      (460)
    • P5
      Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS
      (460)
    • P6
      High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS
      (460)
  • K Cast Iron (460)
    • K1
      Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS
      (460)
    • K2
      Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS
      (460)
    • K3
      High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS
      (460)
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ORIGINAL PRODUCT

Solid Carbide Drills

HPR • K255 • 5 x D • Internal Coolant
(71 Products)
  • 钻孔钻孔
  • 钻孔： 斜退刀钻孔： 斜退刀
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  • Drilling: Cross-Hole DrillingDrilling: Cross-Hole Drilling
View Products
SAP Material Number ISO Catalog Number ANSI Catalog Number Grade [D1] Drill Diameter M [D1] Drill Diameter M [D1] Wire Size [L] Overall Length [L] Overall Length [L3] Flute Length [L3] Flute Length [L4] Maximum Drilling Depth [L4] Maximum Drilling Depth [L5] Drill Point Length [L5] Drill Point Length [LS] Shank Length [LS] Shank Length [D] Adapter / Shank / Bore Diameter [D] Adapter / Shank / Bore Diameter
6783477 K255A01875HPR K255A01875HPR KCK10A 4.7625 .1875   74.0000 2.913 35.0000 1.378 28.6000 1.126 1.4000 .0551 36.5 1.437 4.7625 .1875
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