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Holemaking

Depending on your application, a number of holemaking tools may give you consistent and precise results. For some jobs, a multi-task tool or holemaking mill may do the trick, while others require a high-performance indexable bit or tap. Regardless of your business objectives, Kennametal continues to lead the industry in offering hole-making solutions using tough and durable tungsten carbide-based materials.  

At Kennametal, we have an extensive selection of state-of-the-art inserts, bits and tools for making accurate and clean holes of any diameter. These include modular and solid carbide drills, counterboring tools, hole finishers, indexable inserts and combination tools. We also offer improvement strategies and testing to help you enhance the quality of your product.

 

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Workpiece Material
  • P Steel (11172)
    • P0
      Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (10638)
    • P1
      Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (10686)
    • P2
      Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS (10689)
    • P3
      Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS (10689)
    • P4
      Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS (10569)
    • P5
      Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS (10926)
    • P6
      High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS (10859)
  • M Stainless Steel (8786)
    • M1
      Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS (8786)
    • M2
      High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS (8786)
    • M3
      Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS (8681)
  • K Cast Iron (9406)
    • K1
      Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS (9405)
    • K2
      Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS (9310)
    • K3
      High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS (9310)
  • N Non-Ferrous Materials (7041)
    • N1
      Wrought Aluminum (6983)
    • N2
      Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2% (7016)
    • N3
      High-Silicon Aluminum Alloys Si >12.2% (6964)
    • N4
      Copper, Brass, Zinc-based on machinability index range of 70-100 (6967)
    • N5
      Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass (2871)
    • N6
      Carbon, Graphite Composites, CFRP (2816)
    • N7
      MMC's (2776)
  • S High-Temp Alloys (8260)
    • S1
      Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS (8041)
    • S2
      Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS (8041)
    • S3
      Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS (8047)
    • S4
      Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS (8229)
  • H Hardened Materials (3333)
    • H1
      Hardened Materials 44-48 HRC (3333)
    • H2
      Hardened Materials 48-55 HRC (3049)
    • H3
      Hardened Materials 56-60 HRC (1274)
    • H4
      Hardened Materials >60 HRC (1274)
  • C CFRP Materials (219)
    • C1
      CFRP, CFRP / CFRP (87)
    • C2
      CFRP / Aluminium CFRP / Non-Ferrous (204)
    • C3
      CFRP / Titanium CFRP / High Temp (204)
    • C4
      CFRP / Stainless Steel (204)
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  • BR (363)
  • CN (1806)
  • DE (1824)
  • GB (1177)
  • IN (565)
  • SG (721)
  • US (2238)
Applications
Applications
  • Blind & Cross Hole Finishing Blind & Cross Hole Finishing (249)
  • Blind Hole Finishing Blind Hole Finishing (347)
  • Chain Drilling Chain Drilling (88)
  • Convex Drilling Convex Drilling (1346)
  • Corner Drilling 45° Corner Drilling 45° (88)
  • Corner Style SquareEnd Drilling Corner Style SquareEnd Drilling (192)
  • CornerStyle Chamfer Drilling CornerStyle Chamfer Drilling (1183)
  • Counterboring Counterboring (358)
  • Countersinking Countersinking (374)
  • Cross Hole Drilling Cross Hole Drilling (3209)
  • Drilling Drilling (9848)
  • Flat Bottom Drilling Flat Bottom Drilling (774)
  • Grooving Grooving (1)
  • Half Cylindrical Drilling Half Cylindrical Drilling (88)
  • Inclined Entry Drilling Inclined Entry Drilling (1898)
  • Inclined Exit Drilling Inclined Exit Drilling (4796)
  • Multiple Direction Cutting Multiple Direction Cutting (12)
  • Slot Milling Slot Milling (5)
  • Slot Side Slot Side (5)
  • Slot Square End Slot Square End (5)
  • Stacked Plates Drilling Stacked Plates Drilling (7592)
  • Through & Cross Hole Finishing Through & Cross Hole Finishing (178)
  • Through Hole Finishing Through Hole Finishing (271)
  • X-Offset Drilling X-Offset Drilling (1037)
Cutting Diameter
Cutting Diameter
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  • 2.875 in (2)
  • 2.914 in (3)
  • 2.953 in (5)
  • 2.992 in (3)
  • 3.0 in (3)
  • 3.031 in (1)
  • 3.071 in (5)
  • 3.11 in (1)
  • 3.125 in (2)
  • 3.15 in (3)
  • 3.189 in (2)
  • 3.228 in (2)
  • 3.25 in (3)
  • 3.307 in (3)
  • 3.346 in (1)
  • 3.375 in (1)
  • 3.386 in (2)
  • 3.426 in (2)
  • 3.465 in (1)
  • 3.5 in (2)
  • 3.504 in (1)
  • 3.543 in (5)
  • 3.622 in (2)
  • 3.625 in (1)
  • 3.701 in (1)
  • 3.74 in (2)
  • 3.75 in (2)
  • 3.781 in (4)
  • 3.858 in (1)
  • 3.875 in (1)
  • 3.898 in (1)
  • 3.938 in (2)
  • 4.0 in (2)
  • 4.016 in (1)
  • 4.252 in (1)
  • 4.529 in (1)
  • 4.803 in (1)
  • 5.118 in (1)
  • 5.513 in (1)
  • 5.906 in (1)
  • 6.22 in (1)
  • 6.378 in (1)
  • 7.087 in (1)
  • 7.678 in (1)
  • 8.387 in (1)
  • 9.055 in (1)
  • 10.236 in (1)
Cutting Diameter Min