Precision Hole Finishing

Kennametal offers comprehensive solutions for precision hole finishing. The portfolio includes solid reamers, modular reamers, expandable reamers, and rotating boring systems for large-volume production and fine-bore tooling. Kennametal's reaming tools are ideal for achieving fine surface finishes and tight tolerances. These tools feature cutting-edge geometries and materials, ensuring consistent results and extended tool life in precision hole finishing applications.   

Select Filters
Filters
Filters
View filters in
Metric
Inch
Key Filters
Workpiece Material
Workpiece Material
  • P Steel (598)
    • P0
      Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS
      (550)
    • P1
      Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS
      (598)
    • P2
      Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS
      (598)
    • P3
      Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS
      (598)
    • P4
      Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS
      (598)
    • P5
      Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS
      (598)
    • P6
      High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS
      (598)
  • M Stainless Steel (503)
    • M1
      Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS
      (503)
    • M2
      High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS
      (503)
    • M3
      Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS
      (503)
  • K Cast Iron (569)
    • K1
      Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS
      (569)
    • K2
      Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS
      (569)
    • K3
      High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS
      (569)
  • N Non-Ferrous Materials (223)
    • N1
      Wrought Aluminum
      (223)
    • N2
      Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%
      (223)
    • N3
      High-Silicon Aluminum Alloys Si >12.2%
      (223)
    • N4
      Copper, Brass, Zinc-based on machinability index range of 70-100
      (199)
    • N5
      Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass
      (154)
    • N6
      Carbon, Graphite Composites, CFRP
      (154)
    • N7
      MMC's
      (154)
  • S High-Temp Alloys (495)
    • S1
      Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS
      (495)
    • S2
      Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS
      (495)
    • S3
      Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS
      (495)
    • S4
      Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS
      (495)
  • H Hardened Materials (152)
    • H1
      Hardened Materials 44-48 HRC
      (152)
    • H2
      Hardened Materials 48-55 HRC
      (152)
    • H3
      Hardened Materials 56-60 HRC
      (152)
    • H4
      Hardened Materials >60 HRC
      (152)
Applications
Applications
  • Blind & Cross Hole Finishing Blind & Cross Hole Finishing (252)
  • Blind Hole Finishing Blind Hole Finishing (370)
  • Grooving Grooving (1)
  • ID Thread Turning ID Thread Turning (1)
  • Multiple Direction Cutting Multiple Direction Cutting (12)
  • Slot Milling Slot Milling (5)
  • Slot Side Slot Side (5)
  • Slot Square End Slot Square End (5)
  • Through & Cross Hole Finishing Through & Cross Hole Finishing (321)
  • Through Hole Finishing Through Hole Finishing (434)
Cutting Diameter
Cutting Diameter
  • 0.197 in (8)
  • 0.217 in (8)
  • 0.237 in (10)
  • 0.25 in (2)
  • 0.256 in (8)
  • 0.276 in (8)
  • 0.313 in (2)
  • 0.315 in (10)
  • 0.354 in (8)
  • 0.375 in (2)
  • 0.394 in (10)
  • 0.433 in (8)
  • 0.438 in (2)
  • 0.473 in (10)
  • 0.5 in (2)
  • 0.512 in (8)
  • 0.551 in (21)
  • 0.564 in (7)
  • 0.591 in (11)
  • 0.625 in (6)
  • 0.63 in (12)
  • 0.669 in (11)
  • 0.689 in (7)
  • 0.709 in (13)
  • 0.743 in (4)
  • 0.748 in (11)
  • 0.75 in (9)
  • 0.787 in (12)
  • 0.814 in (3)
  • 0.828 in (9)
  • 0.866 in (9)
  • 0.875 in (7)
  • 0.876 in (1)
  • 0.886 in (3)
  • 0.906 in (9)
  • 0.937 in (3)
  • 0.939 in (4)
  • 0.946 in (8)
  • 0.984 in (7)
  • 1.0 in (8)
  • 1.024 in (9)
  • 1.063 in (11)
  • 1.083 in (3)
  • 1.102 in (10)
  • 1.125 in (4)
  • 1.143 in (5)
  • 1.181 in (10)
  • 1.187 in (3)
  • 1.22 in (4)
  • 1.25 in (8)
  • 1.26 in (10)
  • 1.28 in (3)
  • 1.299 in (5)
  • 1.313 in (3)
  • 1.339 in (9)
  • 1.375 in (3)
  • 1.379 in (5)
  • 1.417 in (10)
  • 1.437 in (3)
  • 1.438 in (1)
  • 1.457 in (5)
  • 1.476 in (3)
  • 1.496 in (9)
  • 1.5 in (2)
  • 1.536 in (5)
  • 1.563 in (4)
  • 1.575 in (9)
  • 1.614 in (5)
  • 1.625 in (3)
  • 1.653 in (1)
  • 1.655 in (10)
Cutting Diameter Min to Cutting Diameter Max
Cutting Diameter
Cutting Diameter
  • 5.0 mm (8)
  • 5.5 mm (8)
  • 6.0 mm (10)
  • 6.351 mm (2)
  • 6.5 mm (8)
  • 7.0 mm (8)
  • 7.95 mm (2)
  • 8.0 mm (10)
  • 9.0 mm (8)
  • 9.525 mm (2)
  • 10.0 mm (10)
  • 11.0 mm (8)
  • 11.125 mm (2)
  • 12.0 mm (10)
  • 12.701 mm (2)
  • 13.0 mm (8)
  • 14.0 mm (21)
  • 14.3 mm (7)
  • 15.0 mm (11)
  • 15.875 mm (6)
  • 16.0 mm (12)
  • 17.0 mm (11)
  • 17.475 mm (7)
  • 18.0 mm (13)
  • 18.875 mm (4)
  • 19.0 mm (11)
  • 19.05 mm (9)
  • 20.0 mm (12)
  • 20.651 mm (3)
  • 21.0 mm (9)
  • 22.0 mm (9)
  • 22.225 mm (7)
  • 22.25 mm (1)
  • 22.5 mm (3)
  • 23.0 mm (9)
  • 23.8 mm (3)
  • 23.826 mm (4)
  • 24.0 mm (8)
  • 25.0 mm (7)
  • 25.401 mm (8)
  • 26.0 mm (9)
  • 27.0 mm (11)
  • 27.5 mm (3)
  • 28.0 mm (10)
  • 28.576 mm (4)
  • 29.0 mm (5)
  • 30.0 mm (10)
  • 30.151 mm (3)
  • 31.0 mm (4)
  • 31.75 mm (8)
  • 32.0 mm (10)
  • 32.5 mm (3)
  • 33.0 mm (5)
  • 33.35 mm (3)
  • 34.0 mm (9)
  • 34.926 mm (3)
  • 35.0 mm (5)
  • 36.0 mm (10)
  • 36.5 mm (3)
  • 36.525 mm (1)
  • 37.0 mm (5)
  • 37.5 mm (3)
  • 38.0 mm (9)
  • 38.1 mm (2)
  • 39.0 mm (5)
  • 39.7 mm (4)
  • 40.0 mm (9)
  • 41.0 mm (5)
  • 41.276 mm (3)
  • 41.95 mm (1)
  • 42.0 mm (10)
Cutting Diameter Min to Cutting Diameter Max
Cutting Condition
Cutting Condition
  • Heavily Interrupted Cut (89)
  • Lightly Interrupted Cut (96)
  • Smooth Cut (96)
  • Varying Depth of Cut (96)
Reach
Reach
  • 0.968 in (1)
  • 1.01 in (1)
  • 1.045 in (1)
  • 1.969 in (1)
  • 2.045 in (1)
Reach Min to Reach Max
Reach
Reach
  • 24.576 mm (1)
  • 25.625 mm (1)
  • 26.55 mm (1)
  • 50.0 mm (1)
  • 51.95 mm (1)
Reach Min to Reach Max
Tool Cutting Edge Angle
Tool Cutting Edge Angle
  • 90.0 (65)
  • 91.0 (8)
  • 92.0 (23)
  • 93.0 (1)
  • 95.0 (4)
Tool Cutting Edge Angle Min to Tool Cutting Edge Angle Max
Connection Style
Connection Style
  • E-BORE Boring Bar (21)
  • Short Taper Reamer Shank (327)
  • Straight-Cylindrical (140)
  • Whistle Notch 2 (3)
  • Whistle Notch 2 Front (12)
Number of Flutes
Number of Flutes
  • 2 (4)
  • 3 (1)
  • 4 (64)
  • 6 (233)
  • 8 (174)
Cutting Edges Per Insert
Cutting Edges Per Insert
  • 1.0 (35)
  • 2.0 (44)
  • 3.0 (5)
  • 4.0 (97)
Cutting Edges Per Insert Min to Cutting Edges Per Insert Max
Internal Coolant Capability
Internal Coolant Capability
Corner configuration
Corner Radius
Corner Radius
  • 0.002 in (40)
  • 0.004 in (157)
  • 0.007 in (2)
  • 0.008 in (153)
  • 0.015 in (2)
  • 0.016 in (156)
  • 0.02 in (2)
  • 0.031 in (152)
  • 0.047 in (11)
  • 0.063 in (3)
Corner Radius Min to Corner Radius Max
Corner Radius
Corner Radius
  • 0.05 mm (40)
  • 0.1 mm (157)
  • 0.176 mm (2)
  • 0.2 mm (153)
  • 0.375 mm (2)
  • 0.4 mm (156)
  • 0.5 mm (2)
  • 0.8 mm (152)
  • 1.201 mm (11)
  • 1.6 mm (3)
Corner Radius Min to Corner Radius Max
Corner Chamfer
Corner Chamfer
  • 0.0 mm (158)
Corner Chamfer Min to Corner Chamfer Max
Corner Chamfer
Corner Chamfer
  • 0.0 in (158)
Corner Chamfer Min to Corner Chamfer Max
Application
Minimum Depth of Cut
Minimum Depth of Cut
Minimum Feed
Minimum Feed
Drilling Condition
Drilling Condition
  • Lightly Interrupted Cut (1)
  • Smooth Cut (1)
  • Varying Depth of Cut (1)
Grade Of Cutting Tool
Grade Of Cutting Tool
  • HCK10 (40)
  • HK1500 (32)
  • HK35 (37)
  • HT2 (46)
  • HTX (45)
  • HWK15 (40)
  • K00379 (2)
  • K10M (43)
  • K10P (43)
  • K10U (38)
  • K110M (34)
  • K15U (38)
  • K20K (43)
  • K25M (35)
  • K313 (154)
  • K420 (2)
  • K605 (24)
  • K68 (152)
  • KB1345 (21)
  • KB1610 (146)
  • KB1630 (55)
  • KB5610 (144)
  • KB5625 (48)
  • KB5630 (47)
  • KB9610 (48)
  • KBH10 (38)
  • KBH20 (56)
  • KBHK10 (5)
  • KBHK15 (5)
  • KC250 (106)
  • KC5010 (154)
  • KC5025 (154)
  • KC525M (105)
  • KC5410 (152)
  • KC6005 (81)
  • KC6105 (24)
  • KC6305 (149)
  • KC710 (107)
  • KC720 (152)
  • KC725M (106)
  • KC730 (154)
  • KC7310 (105)
  • KC732 (152)
  • KC8050 (152)
  • KC810 (152)
  • KC850 (152)
  • KC9010 (144)
  • KC9025 (152)
  • KC910 (152)
  • KC9105 (152)
  • KC9110 (152)
  • KC9120 (144)
  • KC9125 (152)
  • KC915M (3)
  • KC9225 (152)
  • KC9240 (152)
  • KC9240NEW (152)
  • KC925M (105)
  • KC9315 (152)
  • KC9320 (152)
  • KC9325 (152)
  • KC935 (154)
  • KC950 (144)
  • KC990 (144)
  • KCD25 (152)
  • KCK05 (152)
  • KCK05B (38)
  • KCK15 (152)
  • KCK15B (152)
  • KCK20 (152)
  • KCK20B (152)
  • KCM15 (152)
  • KCM15B (151)
  • KCM25 (152)
  • KCM25B (152)
  • KCM35 (46)
  • KCM35B (4)
  • KCP05 (152)
  • KCP05B (3)
  • KCP10 (152)
  • KCP10B (152)
  • KCP25 (152)
  • KCP25B (152)
  • KCP25C (46)
  • KCP30 (151)
  • KCP30B (11)
  • KCPK05 (105)
  • KCPK30 (105)
  • KCS10 (152)
  • KCS10B (152)
  • KCU05 (72)
  • KCU05A (48)
  • KCU10 (159)
  • KCU25 (154)
  • KCU45 (7)
  • KD050 (143)
  • KD081 (40)
  • KD100 (107)
  • KD105 (105)
  • KD120 (105)
  • KD1400 (146)
  • KD1405 (105)
  • KD1415 (49)
  • KD1425 (146)
  • KT125 (106)
  • KT150 (106)
  • KT175 (143)
  • KT315 (154)
  • KT325 (94)
  • KT6215 (47)
  • KT6225 (2)
  • KT6315 (2)
  • KTP10 (144)
  • KU10 (144)
  • KU10T (152)
  • KU30T (152)
  • NL300 (8)
  • NL920 (8)
  • PB100 (29)
  • PB170 (37)
  • PB250 (37)
  • PB300 (29)
  • PD100 (40)
  • PD50 (37)
  • SP0PW3 (8)
  • SP4019 (113)
  • SPM5F2 (2)
  • SPMQMA (10)
  • SPN3W1 (3)
  • THM (40)
  • THM-X (40)
  • TN1000 (29)
  • TN10P (40)
  • TN10U (40)
  • TN15M (40)
  • TN15U (32)
  • TN2000 (40)
  • TN20K (40)
  • TN20P (40)
  • TN30M (40)
  • TN4000 (32)
  • TN5015 (40)
  • TN5020 (40)
  • TN5105 (40)
  • TN5120 (40)
  • TN6010 (11)
  • TN6025 (3)
  • TN7005 (3)
  • TN7010 (40)
  • TN7015 (40)
  • TN7025 (40)
  • TN7035 (40)
  • TN7105 (40)
  • TN7110 (40)
  • TN7115 (40)
  • TN7125 (40)
  • TN7135 (40)
  • TN8025 (40)
  • TTI15 (32)
  • TTM (3)
  • TTR (40)
  • TTS (32)
  • TTX (3)
  • W00342 (8)
  • WBH10C (32)
  • WBH10P (32)
  • WBH10U (32)
  • WBH20P (11)
  • WBH25P (32)
  • WBH30P (3)
  • WBK45U (11)
  • WDN00U (32)
  • WDN25U (32)
  • WK05CT (40)
  • WK15CT (40)
  • WK20CT (40)
  • WM15CT (40)
  • WM25CT (40)
  • WP15CT (40)
  • WP20TT (29)
  • WP25CT (40)
  • WP35CT (11)
  • WS10PT (40)
  • WS25PT (32)
  • WU05PT (40)
  • WU10HT (40)
  • WU10PR (4)
  • WU10PT (40)
  • WU20HT (29)
  • WU25PT (40)
  • YY3A00 (1)
Hand Of Tool
Hand Of Tool
  • R (509)
Wiper Insert
Wiper Insert
  • N (122)
  • Y (26)
Helix Hand
Helix Hand
  • L (165)
  • N (187)
  • R (119)
F Dimension
F Dimension
  • 0.151 mm (1)
  • 2.825 mm (2)
  • 3.825 mm (1)
  • 4.75 mm (1)
  • 4.775 mm (3)
  • 5.75 mm (2)
  • 5.775 mm (1)
  • 6.75 mm (2)
  • 6.775 mm (2)
  • 7.325 mm (1)
  • 7.75 mm (1)
  • 7.775 mm (2)
  • 9.775 mm (1)
  • 12.275 mm (1)
F Dimension Min to F Dimension Max
F Dimension
F Dimension
  • 0.006 in (1)
  • 0.111 in (2)
  • 0.151 in (1)
  • 0.187 in (1)
  • 0.188 in (3)
  • 0.226 in (2)
  • 0.227 in (1)
  • 0.266 in (2)
  • 0.267 in (2)
  • 0.289 in (1)
  • 0.305 in (1)
  • 0.306 in (2)
  • 0.385 in (1)
  • 0.483 in (1)
F Dimension Min to F Dimension Max
Lead in Length
Lead in Length
  • 0.2 mm (45)
  • 0.301 mm (6)
  • 0.4 mm (26)
  • 0.5 mm (110)
  • 0.601 mm (12)
  • 0.701 mm (5)
  • 0.75 mm (6)
  • 0.8 mm (3)
  • 0.9 mm (4)
  • 0.951 mm (10)
  • 1.1 mm (236)
  • 1.151 mm (8)
Lead in Length Min to Lead in Length Max
Lead In Length
Lead In Length
  • 0.0 in (51)
  • 0.001 in (165)
  • 0.002 in (254)
  • 0.038 in (1)
Lead In Length Min to Lead In Length Max
Minimum Axial Groove Diameter
Minimum Axial Groove Diameter
  • 2.0 mm (1)
  • 4.0 mm (1)
  • 6.0 mm (4)
  • 8.0 mm (2)
  • 8.5 mm (2)
  • 10.0 mm (4)
  • 11.0 mm (2)
  • 12.0 mm (3)
  • 13.5 mm (2)
  • 14.0 mm (4)
  • 15.0 mm (1)
  • 16.0 mm (4)
  • 19.0 mm (1)
  • 19.5 mm (1)
  • 20.0 mm (1)
  • 22.0 mm (1)
  • 22.5 mm (1)
  • 24.5 mm (1)
  • 25.0 mm (3)
  • 25.5 mm (2)
  • 29.0 mm (2)
  • 29.5 mm (2)
  • 33.5 mm (1)
  • 34.0 mm (2)
  • 36.0 mm (2)
  • 40.0 mm (1)
  • 40.5 mm (1)
  • 42.0 mm (1)
  • 43.0 mm (2)
  • 45.5 mm (1)
  • 47.0 mm (1)
  • 49.0 mm (1)
  • 50.0 mm (1)
  • 52.0 mm (2)
  • 53.0 mm (1)
  • 56.5 mm (1)
  • 60.0 mm (2)
  • 61.0 mm (1)
  • 65.0 mm (3)
  • 68.0 mm (1)
  • 76.0 mm (1)
  • 82.0 mm (1)
  • 97.0 mm (1)
  • 100.0 mm (2)
  • 103.5 mm (1)
  • 110.0 mm (1)
  • 125.0 mm (1)
  • 138.0 mm (3)
  • 150.0 mm (1)
  • 200.0 mm (2)
Minimum Axial Groove Diameter Min