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Products
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Metalworking Tools
/
Holemaking
/
Precision Hole Finishing

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.

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Workpiece Material

P P Steel (598)
- P0 P0
  Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS
  (550)
- P1 P1
  Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS
  (598)
- P2 P2
  Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS
  (598)
- P3 P3
  Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS
  (598)
- P4 P4
  Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS
  (598)
- P5 P5
  Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS
  (598)
- P6 P6
  High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS
  (598)
M M Stainless Steel (503)
- M1 M1
  Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS
  (503)
- M2 M2
  High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS
  (503)
- M3 M3
  Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS
  (503)
K K Cast Iron (569)
- K1 K1
  Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS
  (569)
- K2 K2
  Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS
  (569)
- K3 K3
  High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS
  (569)
N N Non-Ferrous Materials (223)
- N1 N1
  Wrought Aluminum
  (223)
- N2 N2
  Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%
  (223)
- N3 N3
  High-Silicon Aluminum Alloys Si >12.2%
  (223)
- N4 N4
  Copper, Brass, Zinc-based on machinability index range of 70-100
  (199)
- N5 N5
  Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass
  (154)
- N6 N6
  Carbon, Graphite Composites, CFRP
  (154)
- N7 N7
  MMC's
  (154)
S S High-Temp Alloys (495)
- S1 S1
  Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS
  (495)
- S2 S2
  Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS
  (495)
- S3 S3
  Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS
  (495)
- S4 S4
  Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS
  (495)
H H Hardened Materials (152)
- H1 H1
  Hardened Materials 44-48 HRC
  (152)
- H2 H2
  Hardened Materials 48-55 HRC
  (152)
- H3 H3
  Hardened Materials 56-60 HRC
  (152)
- H4 H4
  Hardened Materials >60 HRC
  (152)

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)

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Cutting Diameter

0.197 0.197 in (8)
0.217 0.217 in (8)
0.237 0.237 in (10)
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0.394 0.394 in (10)
0.433 0.433 in (8)
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0.473 0.473 in (10)
0.5 0.5 in (2)
0.512 0.512 in (8)
0.551 0.551 in (21)
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0.625 0.625 in (6)
0.63 0.63 in (12)
0.669 0.669 in (11)
0.689 0.689 in (7)
0.709 0.709 in (13)
0.743 0.743 in (4)
0.748 0.748 in (11)
0.75 0.75 in (9)
0.787 0.787 in (12)
0.814 0.814 in (3)
0.828 0.828 in (9)
0.866 0.866 in (9)
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0.876 0.876 in (1)
0.886 0.886 in (3)
0.906 0.906 in (9)
0.937 0.937 in (3)
0.939 0.939 in (4)
0.946 0.946 in (8)
0.984 0.984 in (7)
1.0 1.0 in (8)
1.024 1.024 in (9)
1.063 1.063 in (11)
1.083 1.083 in (3)
1.102 1.102 in (10)
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1.5 1.5 in (2)
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1.575 1.575 in (9)
1.614 1.614 in (5)
1.625 1.625 in (3)
1.653 1.653 in (1)
1.655 1.655 in (10)

Cutting Diameter Min cuttingDiameter_I to Cutting Diameter Max Cutting Diameter Max

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Cutting Diameter

5.0 5.0 mm (8)
5.5 5.5 mm (8)
6.0 6.0 mm (10)
6.351 6.351 mm (2)
6.5 6.5 mm (8)
7.0 7.0 mm (8)
7.95 7.95 mm (2)
8.0 8.0 mm (10)
9.0 9.0 mm (8)
9.525 9.525 mm (2)
10.0 10.0 mm (10)
11.0 11.0 mm (8)
11.125 11.125 mm (2)
12.0 12.0 mm (10)
12.701 12.701 mm (2)
13.0 13.0 mm (8)
14.0 14.0 mm (21)
14.3 14.3 mm (7)
15.0 15.0 mm (11)
15.875 15.875 mm (6)
16.0 16.0 mm (12)
17.0 17.0 mm (11)
17.475 17.475 mm (7)
18.0 18.0 mm (13)
18.875 18.875 mm (4)
19.0 19.0 mm (11)
19.05 19.05 mm (9)
20.0 20.0 mm (12)
20.651 20.651 mm (3)
21.0 21.0 mm (9)
22.0 22.0 mm (9)
22.225 22.225 mm (7)
22.25 22.25 mm (1)
22.5 22.5 mm (3)
23.0 23.0 mm (9)
23.8 23.8 mm (3)
23.826 23.826 mm (4)
24.0 24.0 mm (8)
25.0 25.0 mm (7)
25.401 25.401 mm (8)
26.0 26.0 mm (9)
27.0 27.0 mm (11)
27.5 27.5 mm (3)
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28.576 28.576 mm (4)
29.0 29.0 mm (5)
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30.151 30.151 mm (3)
31.0 31.0 mm (4)
31.75 31.75 mm (8)
32.0 32.0 mm (10)
32.5 32.5 mm (3)
33.0 33.0 mm (5)
33.35 33.35 mm (3)
34.0 34.0 mm (9)
34.926 34.926 mm (3)
35.0 35.0 mm (5)
36.0 36.0 mm (10)
36.5 36.5 mm (3)
36.525 36.525 mm (1)
37.0 37.0 mm (5)
37.5 37.5 mm (3)
38.0 38.0 mm (9)
38.1 38.1 mm (2)
39.0 39.0 mm (5)
39.7 39.7 mm (4)
40.0 40.0 mm (9)
41.0 41.0 mm (5)
41.276 41.276 mm (3)
41.95 41.95 mm (1)
42.0 42.0 mm (10)

Cutting Diameter Min cuttingDiameter_M to Cutting Diameter Max Cutting Diameter Max

Cutting Condition

Heavily Interrupted Cut Heavily Interrupted Cut (89)
Lightly Interrupted Cut Lightly Interrupted Cut (96)
Smooth Cut Smooth Cut (96)
Varying Depth of Cut Varying Depth of Cut (96)

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Reach

0.968 0.968 in (1)
1.01 1.01 in (1)
1.045 1.045 in (1)
1.969 1.969 in (1)
2.045 2.045 in (1)

Reach Min reach_I to Reach Max Reach Max

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Reach

24.576 24.576 mm (1)
25.625 25.625 mm (1)
26.55 26.55 mm (1)
50.0 50.0 mm (1)
51.95 51.95 mm (1)

Reach Min reach_M to Reach Max Reach Max

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Tool Cutting Edge Angle

90.0 90.0 (65)
91.0 91.0 (8)
92.0 92.0 (23)
93.0 93.0 (1)
95.0 95.0 (4)

Tool Cutting Edge Angle Min toolCuttingEdgeAngle to Tool Cutting Edge Angle Max Tool Cutting Edge Angle Max

Connection Style

E-BORE Boring Bar E-BORE Boring Bar (21)
Short Taper Reamer Shank Short Taper Reamer Shank (327)
Straight-Cylindrical Straight-Cylindrical (140)
Whistle Notch 2 Whistle Notch 2 (3)
Whistle Notch 2 Front Whistle Notch 2 Front (12)

Number of Flutes

2 2 (4)
3 3 (1)
4 4 (64)
6 6 (233)
8 8 (174)

range select

Cutting Edges Per Insert

1.0 1.0 (35)
2.0 2.0 (44)
3.0 3.0 (5)
4.0 4.0 (97)

Cutting Edges Per Insert Min cuttingEdgesPerInsert to Cutting Edges Per Insert Max Cutting Edges Per Insert Max

Internal Coolant Capability

Y (724)

Corner configuration

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Corner Radius

0.002 0.002 in (40)
0.004 0.004 in (157)
0.007 0.007 in (2)
0.008 0.008 in (153)
0.015 0.015 in (2)
0.016 0.016 in (156)
0.02 0.02 in (2)
0.031 0.031 in (152)
0.047 0.047 in (11)
0.063 0.063 in (3)

Corner Radius Min cornerRadius_I to Corner Radius Max Corner Radius Max

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Corner Radius

0.05 0.05 mm (40)
0.1 0.1 mm (157)
0.176 0.176 mm (2)
0.2 0.2 mm (153)
0.375 0.375 mm (2)
0.4 0.4 mm (156)
0.5 0.5 mm (2)
0.8 0.8 mm (152)
1.201 1.201 mm (11)
1.6 1.6 mm (3)

Corner Radius Min cornerRadius_M to Corner Radius Max Corner Radius Max

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Corner Chamfer

0.0 0.0 mm (158)

Corner Chamfer Min cornerChamfer_M to Corner Chamfer Max Corner Chamfer Max

range select

Corner Chamfer

0.0 0.0 in (158)

Corner Chamfer Min cornerChamfer_I to Corner Chamfer Max Corner Chamfer Max

Application

Minimum Depth of Cut

Minimum Feed

Drilling Condition

Lightly Interrupted Cut Lightly Interrupted Cut (1)
Smooth Cut Smooth Cut (1)
Varying Depth of Cut Varying Depth of Cut (1)

Grade Of Cutting Tool

HCK10 HCK10 (40)
HK1500 HK1500 (32)
HK35 HK35 (37)
HT2 HT2 (46)
HTX HTX (45)
HWK15 HWK15 (40)
K00379 K00379 (2)
K10M K10M (43)
K10P K10P (43)
K10U K10U (38)
K110M K110M (34)
K15U K15U (38)
K20K K20K (43)
K25M K25M (35)
K313 K313 (154)
K420 K420 (2)
K605 K605 (24)
K68 K68 (152)
KB1345 KB1345 (21)
KB1610 KB1610 (146)
KB1630 KB1630 (55)
KB5610 KB5610 (144)
KB5625 KB5625 (48)
KB5630 KB5630 (47)
KB9610 KB9610 (48)
KBH10 KBH10 (38)
KBH20 KBH20 (56)
KBHK10 KBHK10 (5)
KBHK15 KBHK15 (5)
KC250 KC250 (106)
KC5010 KC5010 (154)
KC5025 KC5025 (154)
KC525M KC525M (105)
KC5410 KC5410 (152)
KC6005 KC6005 (81)
KC6105 KC6105 (24)
KC6305 KC6305 (149)
KC710 KC710 (107)
KC720 KC720 (152)
KC725M KC725M (106)
KC730 KC730 (154)
KC7310 KC7310 (105)
KC732 KC732 (152)
KC8050 KC8050 (152)
KC810 KC810 (152)
KC850 KC850 (152)
KC9010 KC9010 (144)
KC9025 KC9025 (152)
KC910 KC910 (152)
KC9105 KC9105 (152)
KC9110 KC9110 (152)
KC9120 KC9120 (144)
KC9125 KC9125 (152)
KC915M KC915M (3)
KC9225 KC9225 (152)
KC9240 KC9240 (152)
KC9240NEW KC9240NEW (152)
KC925M KC925M (105)
KC9315 KC9315 (152)
KC9320 KC9320 (152)
KC9325 KC9325 (152)
KC935 KC935 (154)
KC950 KC950 (144)
KC990 KC990 (144)
KCD25 KCD25 (152)
KCK05 KCK05 (152)
KCK05B KCK05B (38)
KCK15 KCK15 (152)
KCK15B KCK15B (152)
KCK20 KCK20 (152)
KCK20B KCK20B (152)
KCM15 KCM15 (152)
KCM15B KCM15B (151)
KCM25 KCM25 (152)
KCM25B KCM25B (152)
KCM35 KCM35 (46)
KCM35B KCM35B (4)
KCP05 KCP05 (152)
KCP05B KCP05B (3)
KCP10 KCP10 (152)
KCP10B KCP10B (152)
KCP25 KCP25 (152)
KCP25B KCP25B (152)
KCP25C KCP25C (46)
KCP30 KCP30 (151)
KCP30B KCP30B (11)
KCPK05 KCPK05 (105)
KCPK30 KCPK30 (105)
KCS10 KCS10 (152)
KCS10B KCS10B (152)
KCU05 KCU05 (72)
KCU05A KCU05A (48)
KCU10 KCU10 (159)
KCU25 KCU25 (154)
KCU45 KCU45 (7)
KD050 KD050 (143)
KD081 KD081 (40)
KD100 KD100 (107)
KD105 KD105 (105)
KD120 KD120 (105)
KD1400 KD1400 (146)
KD1405 KD1405 (105)
KD1415 KD1415 (49)
KD1425 KD1425 (146)
KT125 KT125 (106)
KT150 KT150 (106)
KT175 KT175 (143)
KT315 KT315 (154)
KT325 KT325 (94)
KT6215 KT6215 (47)
KT6225 KT6225 (2)
KT6315 KT6315 (2)
KTP10 KTP10 (144)
KU10 KU10 (144)
KU10T KU10T (152)
KU30T KU30T (152)
NL300 NL300 (8)
NL920 NL920 (8)
PB100 PB100 (29)
PB170 PB170 (37)
PB250 PB250 (37)
PB300 PB300 (29)
PD100 PD100 (40)
PD50 PD50 (37)
SP0PW3 SP0PW3 (8)
SP4019 SP4019 (113)
SPM5F2 SPM5F2 (2)
SPMQMA SPMQMA (10)
SPN3W1 SPN3W1 (3)
THM THM (40)
THM-X THM-X (40)
TN1000 TN1000 (29)
TN10P TN10P (40)
TN10U TN10U (40)
TN15M TN15M (40)
TN15U TN15U (32)
TN2000 TN2000 (40)
TN20K TN20K (40)
TN20P TN20P (40)
TN30M TN30M (40)
TN4000 TN4000 (32)
TN5015 TN5015 (40)
TN5020 TN5020 (40)
TN5105 TN5105 (40)
TN5120 TN5120 (40)
TN6010 TN6010 (11)
TN6025 TN6025 (3)
TN7005 TN7005 (3)
TN7010 TN7010 (40)
TN7015 TN7015 (40)
TN7025 TN7025 (40)
TN7035 TN7035 (40)
TN7105 TN7105 (40)
TN7110 TN7110 (40)
TN7115 TN7115 (40)
TN7125 TN7125 (40)
TN7135 TN7135 (40)
TN8025 TN8025 (40)
TTI15 TTI15 (32)
TTM TTM (3)
TTR TTR (40)
TTS TTS (32)
TTX TTX (3)
W00342 W00342 (8)
WBH10C WBH10C (32)
WBH10P WBH10P (32)
WBH10U WBH10U (32)
WBH20P WBH20P (11)
WBH25P WBH25P (32)
WBH30P WBH30P (3)
WBK45U WBK45U (11)
WDN00U WDN00U (32)
WDN25U WDN25U (32)
WK05CT WK05CT (40)
WK15CT WK15CT (40)
WK20CT WK20CT (40)
WM15CT WM15CT (40)
WM25CT WM25CT (40)
WP15CT WP15CT (40)
WP20TT WP20TT (29)
WP25CT WP25CT (40)
WP35CT WP35CT (11)
WS10PT WS10PT (40)
WS25PT WS25PT (32)
WU05PT WU05PT (40)
WU10HT WU10HT (40)
WU10PR WU10PR (4)
WU10PT WU10PT (40)
WU20HT WU20HT (29)
WU25PT WU25PT (40)
YY3A00 YY3A00 (1)

Hand Of Tool

R R (509)

Wiper Insert

N N (122)
Y Y (26)

Helix Hand

L L (165)
N N (187)
R R (119)

range select

F Dimension

0.151 0.151 mm (1)
2.825 2.825 mm (2)
3.825 3.825 mm (1)
4.75 4.75 mm (1)
4.775 4.775 mm (3)
5.75 5.75 mm (2)
5.775 5.775 mm (1)
6.75 6.75 mm (2)
6.775 6.775 mm (2)
7.325 7.325 mm (1)
7.75 7.75 mm (1)
7.775 7.775 mm (2)
9.775 9.775 mm (1)
12.275 12.275 mm (1)

F Dimension Min fDimension_M to F Dimension Max F Dimension Max

range select

F Dimension

0.006 0.006 in (1)
0.111 0.111 in (2)
0.151 0.151 in (1)
0.187 0.187 in (1)
0.188 0.188 in (3)
0.226 0.226 in (2)
0.227 0.227 in (1)
0.266 0.266 in (2)
0.267 0.267 in (2)
0.289 0.289 in (1)
0.305 0.305 in (1)
0.306 0.306 in (2)
0.385 0.385 in (1)
0.483 0.483 in (1)

F Dimension Min fDimension_I to F Dimension Max F Dimension Max

range select

Lead in Length

0.2 0.2 mm (45)
0.301 0.301 mm (6)
0.4 0.4 mm (26)
0.5 0.5 mm (110)
0.601 0.601 mm (12)
0.701 0.701 mm (5)
0.75 0.75 mm (6)
0.8 0.8 mm (3)
0.9 0.9 mm (4)
0.951 0.951 mm (10)
1.1 1.1 mm (236)
1.151 1.151 mm (8)

Lead in Length Min leadInLength_M to Lead in Length Max Lead in Length Max

range select

Lead In Length

0.0 0.0 in (51)
0.001 0.001 in (165)
0.002 0.002 in (254)
0.038 0.038 in (1)

Lead In Length Min leadInLength_I to Lead In Length Max Lead In Length Max

range select

Minimum Axial Groove Diameter

2.0 2.0 mm (1)
4.0 4.0 mm (1)
6.0 6.0 mm (4)
8.0 8.0 mm (2)
8.5 8.5 mm (2)
10.0 10.0 mm (4)
11.0 11.0 mm (2)
12.0 12.0 mm (3)
13.5 13.5 mm (2)
14.0 14.0 mm (4)
15.0 15.0 mm (1)
16.0 16.0 mm (4)
19.0 19.0 mm (1)
19.5 19.5 mm (1)
20.0 20.0 mm (1)
22.0 22.0 mm (1)
22.5 22.5 mm (1)
24.5 24.5 mm (1)
25.0 25.0 mm (3)
25.5 25.5 mm (2)
29.0 29.0 mm (2)
29.5 29.5 mm (2)
33.5 33.5 mm (1)
34.0 34.0 mm (2)
36.0 36.0 mm (2)
40.0 40.0 mm (1)
40.5 40.5 mm (1)
42.0 42.0 mm (1)
43.0 43.0 mm (2)
45.5 45.5 mm (1)
47.0 47.0 mm (1)
49.0 49.0 mm (1)
50.0 50.0 mm (1)
52.0 52.0 mm (2)
53.0 53.0 mm (1)
56.5 56.5 mm (1)
60.0 60.0 mm (2)
61.0 61.0 mm (1)
65.0 65.0 mm (3)
68.0 68.0 mm (1)
76.0 76.0 mm (1)
82.0 82.0 mm (1)
97.0 97.0 mm (1)
100.0 100.0 mm (2)
103.5 103.5 mm (1)
110.0 110.0 mm (1)
125.0 125.0 mm (1)
138.0 138.0 mm (3)
150.0 150.0 mm (1)
200.0 200.0 mm (2)

Minimum Axial Groove Diameter Min axialGrooveDiaMin_M

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Precision Hole Finishing

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