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COVID-19: How Kennametal is responding

New HPX Drill series: The high-performance solution for any high-volume steel production.

Material specific HPX edge preparation
A straight cutting edge reduces build-up and chipping on cutting edge and margin land. 

Material-specific HPX drill point
Patented HPX point provides excellent self-centering capabilities, reduces thrust, and enables precise center chip formation.

Material-specific HPX margins 
2 margin lands provide stability, reduce friction.

The HPX drill design
Up to 3 times higher cutting parameters, saving machining time and freeing up capacity.

Ultra-high polished chip flutes reduce friction, improve chip evacuation, and increase tool life.

A continuous chip-flute cross-section reduces vibrations and reduces cutting edge chipping. 

140˚ point angle – For ideal cutting conditions.  Perfect for pilot drilling of deep holes.

2 margin lands for stability and less friction.

Straight cutting edge – Reduces build-up and chipping on cutting edge and margin land.

 

Standard MQL backend

Up to 8xD drilling

Corner Chamfer - Build-in cutting edge corner protection, reduces chipping and extends tool life.

 

Lower forces, even better reliability

The HPX drill produces consistently higher tool life in steel than competitive tools, even when feeds and speeds are significantly increased.

Special gashing on the HPX drill improves the chip formation and curls a smaller chip. The material specific HPX point geometry creates significantly lower cutting forces, which works great for machines with lower spindle capabilities, unstable cutting conditions, or unstable workpiece clamping. A continuous cross section makes the HPX drill more resistant against tool breakage, and the ultrahigh polished chip flutes ensure superior chip evacuation.

Browse HPX Drill Products

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Workpiece Material
  • P Steel (756)
    • P0
      Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS
      (756)
    • P1
      Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS
      (756)
    • P2
      Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS
      (756)
    • P3
      Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS
      (756)
    • P4
      Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS
      (756)
    • P5
      Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS
      (756)
    • P6
      High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS
      (756)
  • K Cast Iron (170)
    • K1
      Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS
      (170)
    • K2
      Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS
      (170)
    • K3
      High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS
      (170)
Applications
  • CornerStyle Chamfer Drilling (756)
  • Drilling (756)
  • Pre-Condition (756)
  • Stacked Plates Drilling (756)
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  • Straight-Cylindrical (756)
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  • 2 (756)
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Coating
  • TiN/AlTiN (756)
Grade Of Cutting Tool
  • KCP15B (755)
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  • R (756)
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  • 81-01 (756)
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  • CYLINDRICAL (756)
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  • KCP15B (756)
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  • HPX (754)
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  • M (586)
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High-Performance Solid Carbide Drills

HPX • B221 • 3 x D
(170 Products)
  • DrillingDrilling
  • Corner Style: Corner ChamferCorner Style: Corner Chamfer
  • Tool Dimensions: 2flute/2margin/no coolTool Dimensions: 2flute/2margin/no cool
  • Flood Coolant: DrillingFlood Coolant: Drilling
  • Drilling - No CoolantDrilling - No Coolant
  • Shank - Cylindrical  Plain ≤h6Shank - Cylindrical Plain ≤h6
  • Drilling: Stacked PlatesDrilling: Stacked Plates
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
6781060 B221A03000HPX B221A03000HPX KCP15B 3.0000 .1181   62.0000 2.440 20.0000 .7874 14.0000 .5512 0.6900 .0272 36.0 1.417 6.0 .2362
6781121 B221A03048HPX B221A03048HPX KCP15B 3.0480 .1200 31 62.0000 2.440 20.0000 .7874 14.0000 .5512 0.7000 .0276 36.0 1.417 6.0 .2362
6781122 B221A03100HPX B221A03100HPX KCP15B 3.1000 .1220   62.0000 2.440 20.0000 .7874 14.0000 .5512 0.7100 .0280 36.0 1.417 6.0 .2362
6781123 B221A03175HPX B221A03175HPX KCP15B 3.1750 .1250   62.0000 2.440 20.0000 .7874 14.0000 .5512 0.7300 .0287 36.0 1.417 6.0 .2362
6781124 B221A03200HPX B221A03200HPX KCP15B 3.2000 .1260   62.0000 2.440 20.0000 .7874 14.0000 .5512 0.7300 .0287 36.0 1.417 6.0 .2362
6781125 B221A03264HPX B221A03264HPX KCP15B 3.2640 .1285 30 62.0000 2.440 20.0000 .7874 14.0000 .5512 0.7500 .0295 36.0 1.417 6.0 .2362
High-Performance Solid Carbide Drills

HPX • B222 • 5 x D
(108 Products)
  • Corner Style: Corner ChamferCorner Style: Corner Chamfer
  • DrillingDrilling
  • Flood Coolant: DrillingFlood Coolant: Drilling
  • Drilling - No CoolantDrilling - No Coolant
  • Tool Dimensions: 2flute/2margin/no coolTool Dimensions: 2flute/2margin/no cool
  • Drilling: Stacked PlatesDrilling: Stacked Plates
  • Shank - Cylindrical  Plain ≤h6Shank - Cylindrical Plain ≤h6
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
6781438 B222A03000HPX B222A03000HPX KCP15B 3.0000 .1181   66.0000 2.598 28.0000 1.102 23.0000 .9055 0.6900 .0272 36.0 1.417 6.0 .2362
6781439 B222A03048HPX B222A03048HPX KCP15B 3.0480 .1200 31 66.0000 2.598 28.0000 1.102 23.0000 .9055 0.7000 .0276 36.0 1.417 6.0 .2362
6781440 B222A03100HPX B222A03100HPX KCP15B 3.1000 .1220   66.0000 2.598 28.0000 1.102 23.0000 .9055 0.7100 .0280 36.0 1.417 6.0 .2362
6781451 B222A03175HPX B222A03175HPX KCP15B 3.1750 .1250   66.0000 2.598 28.0000 1.102 23.0000 .9055 0.7300 .0287 36.0 1.417 6.0 .2362
6781452 B222A03200HPX B222A03200HPX KCP15B 3.2000 .1260   66.0000 2.598 28.0000 1.102 23.0000 .9055 0.7300 .0287 36.0 1.417 6.0 .2362
6781453 B222A03264HPX B222A03264HPX KCP15B 3.2640 .1285 30 66.0000 2.598 28.0000 1.102 23.0000 .9055 0.7500 .0295 36.0 1.417 6.0 .2362
High-Performance Solid Carbide Drills

HPX • B224 • 3 x D • Through Coolant
(111 Products)
  • DrillingDrilling
  • Corner Style: Corner ChamferCorner Style: Corner Chamfer
  • Shank - Cylindrical  Plain ≤h6Shank - Cylindrical Plain ≤h6
  • Drilling - Through CoolantDrilling - Through Coolant
  • Through Coolant: MQL (Minimum Quantity Lubricant): DrillingThrough Coolant: MQL (Minimum Quantity Lubricant): Drilling
  • Tool Dimensions: 2flute/2margin/coolantTool Dimensions: 2flute/2margin/coolant
  • Drilling: Stacked PlatesDrilling: Stacked Plates
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
6781581 B224A03000HPX B224A03000HPX KCP15B 3.0000 .1181   62.0000 2.440 20.0000 .7874 14.0000 .5512 0.6900 .0272 36.0 1.417 6.0 .2362
6781582 B224A03048HPX B224A03048HPX KCP15B 3.0480 .1200 31 62.0000 2.440 20.0000 .7874 14.0000 .5512 0.7000 .0276 36.0 1.417 6.0 .2362
6781583 B224A03100HPX B224A03100HPX KCP15B 3.1000 .1220   62.0000 2.440 20.0000 .7874 14.0000 .5512 0.7100 .0280 36.0 1.417 6.0 .2362
6781585 B224A03175HPX B224A03175HPX KCP15B 3.1750 .1250   62.0000 2.440 20.0000 .7874 14.0000 .5512 0.7300 .0287 36.0 1.417 6.0 .2362
6781586 B224A03200HPX B224A03200HPX KCP15B 3.2000 .1260   62.0000 2.440 20.0000 .7874 14.0000 .5512 0.7300 .0287 36.0 1.417 6.0 .2362
6781587 B224A03264HPX B224A03264HPX KCP15B 3.2640 .1285 30 62.0000 2.440 20.0000 .7874 14.0000 .5512 0.7500 .0295 36.0 1.417 6.0 .2362
High-Performance Solid Carbide Drills

HPX • B225 • 5 x D • Through Coolant
(170 Products)
  • Drilling: Stacked PlatesDrilling: Stacked Plates
  • Corner Style: Corner ChamferCorner Style: Corner Chamfer
  • Through Coolant: MQL (Minimum Quantity Lubricant): DrillingThrough Coolant: MQL (Minimum Quantity Lubricant): Drilling
  • Tool Dimensions: 2flute/2margin/coolantTool Dimensions: 2flute/2margin/coolant
  • Shank - Cylindrical  Plain ≤h6Shank - Cylindrical Plain ≤h6
  • DrillingDrilling
  • Drilling - Through CoolantDrilling - Through Coolant
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
6781751 B225A03000HPX B225A03000HPX KCP15B 3.0000 .1181   66.0000 2.598 28.0000 1.102 23.0000 .9055 0.6900 .0272 36.0 1.417 6.0 .2362
6781752 B225A03048HPX B225A03048HPX KCP15B 3.0480 .1200 31 66.0000 2.598 28.0000 1.102 23.0000 .9055 0.7000 .0276 36.0 1.417 6.0 .2362
6781753 B225A03100HPX B225A03100HPX KCP15B 3.1000 .1220   66.0000 2.598 28.0000 1.102 23.0000 .9055 0.7100 .0280 36.0 1.417 6.0 .2362
6781754 B225A03175HPX B225A03175HPX KCP15B 3.1750 .1250   66.0000 2.598 28.0000 1.102 23.0000 .9055 0.7300 .0287 36.0 1.417 6.0 .2362
6781755 B225A03200HPX B225A03200HPX KCP15B 3.2000 .1260   66.0000 2.598 28.0000 1.102 23.0000 .9055 0.7300 .0287 36.0 1.417 6.0 .2362
6781756 B225A03264HPX B225A03264HPX KCP15B 3.2640 .1285 30 66.0000 2.598 28.0000 1.102 23.0000 .9055 0.7500 .0295 36.0 1.417 6.0 .2362
High-Performance Solid Carbide Drills

HPX • B226 • 8 x D • Through Coolant
(103 Products)
  • Drilling: Stacked PlatesDrilling: Stacked Plates
  • Drilling - Through CoolantDrilling - Through Coolant
  • DrillingDrilling
  • Through Coolant: MQL (Minimum Quantity Lubricant): DrillingThrough Coolant: MQL (Minimum Quantity Lubricant): Drilling
  • Tool Dimensions: 2flute/2margin/coolantTool Dimensions: 2flute/2margin/coolant
  • Corner Style: Corner ChamferCorner Style: Corner Chamfer
  • Shank - Cylindrical  Plain ≤h6Shank - Cylindrical Plain ≤h6
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
6782297 B226A03000HPX B226A03000HPX KCP15B 3.0000 .1181   78.0000 3.070 40.0000 1.574 33.0000 1.299 0.6900 .0272 36.0 1.417 6.0 .2362
6782298 B226A03048HPX B226A03048HPX KCP15B 3.0480 .1200 31 78.0000 3.070 40.0000 1.574 33.0000 1.299 0.7000 .0276 36.0 1.417 6.0 .2362
6782299 B226A03100HPX B226A03100HPX KCP15B 3.1000 .1220   78.0000 3.070 40.0000 1.574 33.0000 1.299 0.7100 .0280 36.0 1.417 6.0 .2362
6782300 B226A03175HPX B226A03175HPX KCP15B 3.1750 .1250   78.0000 3.070 40.0000 1.574 33.0000 1.299 0.7300 .0287 36.0 1.417 6.0 .2362
6782321 B226A03200HPX B226A03200HPX KCP15B 3.2000 .1260   78.0000 3.070 40.0000 1.574 33.0000 1.299 0.7300 .0287 36.0 1.417 6.0 .2362
6782322 B226A03264HPX B226A03264HPX KCP15B 3.2640 .1285 30 78.0000 3.070 40.0000 1.574 33.0000 1.299 0.7500 .0295 36.0 1.417 6.0 .2362
High-Performance Solid Carbide Drills

HPX • K224 • 3 x D • Through Coolant
(30 Products)
  • DrillingDrilling
  • Corner Style: Corner ChamferCorner Style: Corner Chamfer
  • Shank - Cylindrical  Plain ≤h6Shank - Cylindrical Plain ≤h6
  • Drilling - Through CoolantDrilling - Through Coolant
  • Through Coolant: MQL (Minimum Quantity Lubricant): DrillingThrough Coolant: MQL (Minimum Quantity Lubricant): Drilling
  • Drilling: Stacked PlatesDrilling: Stacked Plates
  • Tool Dimensions: 2flute/2margin/coolantTool Dimensions: 2flute/2margin/coolant
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
6782433 K224A01250HPX K224A01250HPX KCP15B 3.1750 .1250   63.0000 2.480 23.0000 .9055 17.4000 .6850 0.7300 .0287 36.5 1.437 4.7625 .1875
6782434 K224A01285HPX K224A01285HPX KCP15B 3.2639 .1285 30 63.0000 2.480 23.0000 .9055 17.4000 .6850 0.7500 .0295 36.5 1.437 4.7625 .1875
6782435 K224A01360HPX K224A01360HPX KCP15B 3.4544 .1360 29 63.0000 2.480 23.0000 .9055 17.4000 .6850 0.7900 .0311 36.5 1.437 4.7625 .1875
6782436 K224A01563HPX K224A01563HPX KCP15B 3.9700 .1563   63.0000 2.480 23.0000 .9055 17.4000 .6850 0.9000 .0354 36.5 1.437 4.7625 .1875
6782437 K224A01719HPX K224A01719HPX KCP15B 4.3663 .1719   68.0000 2.677 29.0000 1.141 22.6000 .8898 0.9800 .0386 36.5 1.437 4.7625 .1875
6782438 K224A01875HPX K224A01875HPX KCP15B 4.7625 .1875   68.0000 2.677 29.0000 1.141 22.6000 .8898 1.0600 .0417 36.5 1.437 4.7625 .1875
High-Performance Solid Carbide Drills

HPX • K225 • 5 x D • Through Coolant
(64 Products)
  • Shank - Cylindrical  Plain ≤h6Shank - Cylindrical Plain ≤h6
  • DrillingDrilling
  • Tool Dimensions: 2flute/2margin/coolantTool Dimensions: 2flute/2margin/coolant
  • Drilling - Through CoolantDrilling - Through Coolant
  • Through Coolant: MQL (Minimum Quantity Lubricant): DrillingThrough Coolant: MQL (Minimum Quantity Lubricant): Drilling
  • Corner Style: Corner ChamferCorner Style: Corner Chamfer
  • Drilling: Stacked PlatesDrilling: Stacked Plates
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
6782500 K225A01250HPX K225A01250HPX KCP15B 3.1750 .1250   66.0000 2.598 27.0000 1.063 21.4000 .8425 0.7300 .0287 36.5 1.437 4.7625 .1875
6782501 K225A01260HPX K225A01260HPX KCP15B 3.2004 .1260   66.0000 2.598 27.0000 1.063 21.4000 .8425 0.7400 .0291 36.5 1.437 4.7625 .1875
6782502 K225A01285HPX K225A01285HPX KCP15B 3.2639 .1285 30 66.0000 2.598 27.0000 1.063 21.4000 .8425 0.7500 .0295 36.5 1.437 4.7625 .1875
6782503 K225A01360HPX K225A01360HPX KCP15B 3.4544 .1360 29 66.0000 2.598 27.0000 1.063 21.4000 .8425 0.7900 .0311 36.5 1.437 4.7625 .1875
6782504 K225A01378HPX K225A01378HPX KCP15B 3.5001 .1378   66.0000 2.598 27.0000 1.063 21.4000 .8425 0.8000 .0315 36.5 1.437 4.7625 .1875
6782505 K225A01406HPX K225A01406HPX KCP15B 3.5712 .1406   66.0000 2.598 27.0000 1.063 21.4000 .8425 0.8100 .0319 36.5 1.437 4.7625 .1875