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Steel Boring Bars

Steel Boring Bars

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Workpiece Material

P P Steel (826)
- P0 P0
  Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS
  (825)
- P1 P1
  Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS
  (825)
- P2 P2
  Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS
  (825)
- P3 P3
  Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS
  (825)
- P4 P4
  Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS
  (825)
- P5 P5
  Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS
  (826)
- P6 P6
  High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS
  (826)
M M Stainless Steel (826)
- M1 M1
  Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS
  (826)
- M2 M2
  High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS
  (826)
- M3 M3
  Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS
  (826)
K K Cast Iron (827)
- K1 K1
  Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS
  (827)
- K2 K2
  Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS
  (827)
- K3 K3
  High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS
  (827)
N N Non-Ferrous Materials (791)
- N1 N1
  Wrought Aluminum
  (787)
- N2 N2
  Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%
  (786)
- N3 N3
  High-Silicon Aluminum Alloys Si >12.2%
  (659)
- N4 N4
  Copper, Brass, Zinc-based on machinability index range of 70-100
  (790)
- N5 N5
  Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass
  (786)
- N6 N6
  Carbon, Graphite Composites, CFRP
  (728)
- N7 N7
  MMC's
  (786)
S S High-Temp Alloys (834)
- S1 S1
  Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS
  (834)
- S2 S2
  Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS
  (834)
- S3 S3
  Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS
  (834)
- S4 S4
  Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS
  (825)
H H Hardened Materials (714)
- H1 H1
  Hardened Materials 44-48 HRC
  (714)
- H2 H2
  Hardened Materials 48-55 HRC
  (714)
- H3 H3
  Hardened Materials 56-60 HRC
  (714)
- H4 H4
  Hardened Materials >60 HRC
  (641)

Select First Choice

BR BR (2)
CN CN (78)
DE DE (75)
GB GB (41)
IN IN (1)
SG SG (9)
US US (64)

Applications

Back Boring Back Boring (87)
Chamfer Turning Chamfer Turning (82)
Facing Facing (255)
ID Facing ID Facing (88)
ID Thread Turning ID Thread Turning (1)
Multiple Direction Cutting Multiple Direction Cutting (727)
Profiling Profiling (683)
TRN Boring TRN Boring (810)
Threading Threading (1)
Turning Turning (173)

Cutting Condition

Heavily Interrupted Cut Heavily Interrupted Cut (769)
Interrupted Interrupted (387)
Lightly Interrupted Cut Lightly Interrupted Cut (821)
Smooth Cut Smooth Cut (830)
Varying Depth of Cut Varying Depth of Cut (817)

range select

Tool Cutting Edge Angle

60.0 60.0 (4)
62.5 62.5 (10)
75.0 75.0 (14)
90.0 90.0 (121)
90.25 90.25 (10)
91.0 91.0 (2)
93.0 93.0 (196)
95.0 95.0 (438)
97.0 97.0 (4)
107.5 107.5 (46)
140.0 140.0 (4)

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

Connection Style

Boring Bar Shank Boring Bar Shank (642)
KM KM (205)

range select

Cutting Edges Per Insert

1.0 1.0 (662)
2.0 2.0 (600)
3.0 3.0 (198)
4.0 4.0 (459)
6.0 6.0 (96)
8.0 8.0 (209)

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

Internal Coolant Capability

N (16)
Y (831)

Corner configuration

range select

Corner Radius

0.0 0.0 in (21)
0.001 0.001 in (33)
0.002 0.002 in (159)
0.004 0.004 in (616)
0.007 0.007 in (48)
0.008 0.008 in (661)
0.014 0.014 in (26)
0.015 0.015 in (48)
0.016 0.016 in (757)
0.024 0.024 in (52)
0.028 0.028 in (4)
0.031 0.031 in (777)
0.047 0.047 in (600)
0.062 0.062 in (146)
0.063 0.063 in (418)
0.094 0.094 in (102)
0.095 0.095 in (70)
0.125 0.125 in (9)
0.126 0.126 in (41)
0.157 0.157 in (1)
0.25 0.25 in (1)

Corner Radius Min cornerRadius_I to Corner Radius Max Corner Radius Max

range select

Corner Radius

0.0 0.0 mm (21)
0.025 0.025 mm (33)
0.05 0.05 mm (159)
0.1 0.1 mm (616)
0.176 0.176 mm (48)
0.2 0.2 mm (661)
0.351 0.351 mm (26)
0.375 0.375 mm (48)
0.4 0.4 mm (757)
0.601 0.601 mm (52)
0.701 0.701 mm (4)
0.775 0.775 mm (8)
0.8 0.8 mm (769)
1.201 1.201 mm (600)
1.576 1.576 mm (146)
1.6 1.6 mm (418)
2.375 2.375 mm (102)
2.401 2.401 mm (70)
3.176 3.176 mm (9)
3.2 3.2 mm (41)
4.0 4.0 mm (1)
6.351 6.351 mm (1)

Corner Radius Min cornerRadius_M to Corner Radius Max Corner Radius Max

Application

Minimum Depth of Cut

Minimum Feed

Grade Of Cutting Tool

K090 K090 (376)
K10M K10M (505)
K10P K10P (465)
K10U K10U (471)
K15U K15U (468)
K20K K20K (477)
K25M K25M (468)
K25P K25P (407)
K313 K313 (787)
K420 K420 (369)
K68 K68 (659)
KB1610 KB1610 (518)
KB1630 KB1630 (392)
KB5610 KB5610 (483)
KB5625 KB5625 (446)
KB5630 KB5630 (371)
KB9610 KB9610 (569)
KBH10 KBH10 (440)
KBH20 KBH20 (475)
KC5010 KC5010 (823)
KC5025 KC5025 (780)
KC5410 KC5410 (662)
KC5510 KC5510 (419)
KC720 KC720 (661)
KC730 KC730 (794)
KC7310 KC7310 (505)
KC732 KC732 (672)
KC8050 KC8050 (747)
KC810 KC810 (724)
KC850 KC850 (756)
KC9010 KC9010 (645)
KC9025 KC9025 (765)
KC910 KC910 (715)
KC9105 KC9105 (668)
KC9110 KC9110 (758)
KC9120 KC9120 (639)
KC9125 KC9125 (728)
KC9140 KC9140 (436)
KC9145 KC9145 (378)
KC9215 KC9215 (427)
KC9225 KC9225 (717)
KC9240 KC9240 (711)
KC9240NEW KC9240NEW (707)
KC9245 KC9245 (425)
KC9315 KC9315 (747)
KC9320 KC9320 (686)
KC9325 KC9325 (622)
KC935 KC935 (810)
KC950 KC950 (659)
KC990 KC990 (713)
KCK05 KCK05 (716)
KCK05B KCK05B (523)
KCK15 KCK15 (636)
KCK15B KCK15B (687)
KCK20 KCK20 (708)
KCK20B KCK20B (695)
KCM15 KCM15 (708)
KCM15B KCM15B (604)
KCM25 KCM25 (718)
KCM25B KCM25B (665)
KCM35 KCM35 (573)
KCP05 KCP05 (688)
KCP05B KCP05B (395)
KCP10 KCP10 (728)
KCP10B KCP10B (734)
KCP25 KCP25 (735)
KCP25B KCP25B (752)
KCP25C KCP25C (529)
KCP30 KCP30 (690)
KCP30B KCP30B (401)
KCP40 KCP40 (376)
KCP40B KCP40B (397)
KCPK05 KCPK05 (424)
KCS10 KCS10 (447)
KCS10B KCS10B (657)
KCU10 KCU10 (804)
KCU25 KCU25 (762)
KD050 KD050 (462)
KD081 KD081 (403)
KD100 KD100 (466)
KD120 KD120 (407)
KD1400 KD1400 (616)
KD1405 KD1405 (403)
KD1425 KD1425 (646)
KT125 KT125 (402)
KT175 KT175 (565)
KT315 KT315 (736)
KU10T KU10T (657)
KU30T KU30T (677)
KY1320 KY1320 (392)
KY1615 KY1615 (381)
KY3500 KY3500 (414)
KY4400 KY4400 (412)
KYHK15B KYHK15B (429)
KYK35 KYK35 (410)
NL250 NL250 (403)
NL920 NL920 (397)
SP0819 SP0819 (363)
SP3019 SP3019 (365)
SP4019 SP4019 (400)

Hand Of Tool

L L (336)
R R (511)

Wiper Insert

N N (834)
Y Y (566)

range select

F Dimension

2.401 2.401 mm (4)
2.651 2.651 mm (8)
2.95 2.95 mm (9)
3.1 3.1 mm (3)
3.125 3.125 mm (1)
3.2 3.2 mm (3)
3.426 3.426 mm (1)
3.6 3.6 mm (1)
3.676 3.676 mm (5)
3.7 3.7 mm (2)
3.725 3.725 mm (2)
3.801 3.801 mm (1)
3.85 3.85 mm (2)
3.95 3.95 mm (6)
4.425 4.425 mm (2)
4.7 4.7 mm (2)
4.75 4.75 mm (1)
4.801 4.801 mm (2)
5.426 5.426 mm (1)
5.45 5.45 mm (2)
5.551 5.551 mm (1)
6.0 6.0 mm (8)
6.351 6.351 mm (17)
6.551 6.551 mm (1)
7.0 7.0 mm (23)
7.525 7.525 mm (1)
7.926 7.926 mm (23)
9.0 9.0 mm (32)
9.525 9.525 mm (3)
10.3 10.3 mm (26)
11.0 11.0 mm (43)
11.101 11.101 mm (7)
12.701 12.701 mm (32)
13.0 13.0 mm (43)
13.101 13.101 mm (1)
14.275 14.275 mm (10)
15.875 15.875 mm (1)
16.25 16.25 mm (41)
17.0 17.0 mm (109)
19.05 19.05 mm (18)
19.425 19.425 mm (23)
19.451 19.451 mm (1)
22.0 22.0 mm (83)
22.475 22.475 mm (1)
22.6 22.6 mm (35)
25.401 25.401 mm (22)
25.776 25.776 mm (9)
27.0 27.0 mm (68)
28.576 28.576 mm (21)
30.0 30.0 mm (2)
31.75 31.75 mm (4)
32.4 32.4 mm (1)
32.525 32.525 mm (19)
32.551 32.551 mm (8)
33.65 33.65 mm (6)
34.801 34.801 mm (2)
34.926 34.926 mm (1)
35.0 35.0 mm (25)
38.875 38.875 mm (10)
38.901 38.901 mm (4)
44.45 44.45 mm (3)

F Dimension Min fDimension_M to F Dimension Max F Dimension Max

range select

F Dimension

0.095 0.095 in (4)
0.105 0.105 in (8)
0.116 0.116 in (9)
0.122 0.122 in (3)
0.123 0.123 in (1)
0.126 0.126 in (3)
0.135 0.135 in (1)
0.143 0.143 in (1)
0.145 0.145 in (5)
0.146 0.146 in (2)
0.147 0.147 in (2)
0.15 0.15 in (1)
0.152 0.152 in (2)
0.156 0.156 in (6)
0.175 0.175 in (2)
0.185 0.185 in (2)
0.187 0.187 in (1)
0.189 0.189 in (2)
0.214 0.214 in (1)
0.215 0.215 in (2)
0.219 0.219 in (1)
0.237 0.237 in (8)
0.25 0.25 in (17)
0.258 0.258 in (1)
0.276 0.276 in (23)
0.296 0.296 in (1)
0.312 0.312 in (23)
0.354 0.354 in (32)
0.375 0.375 in (3)
0.406 0.406 in (26)
0.433 0.433 in (43)
0.437 0.437 in (7)
0.5 0.5 in (32)
0.512 0.512 in (43)
0.516 0.516 in (1)
0.562 0.562 in (10)
0.625 0.625 in (1)
0.64 0.64 in (41)
0.669 0.669 in (109)
0.75 0.75 in (18)
0.765 0.765 in (23)
0.766 0.766 in (1)
0.866 0.866 in (83)
0.885 0.885 in (1)
0.89 0.89 in (35)
1.0 1.0 in (22)
1.016 1.016 in (9)
1.063 1.063 in (68)
1.125 1.125 in (21)
1.181 1.181 in (2)
1.25 1.25 in (4)
1.276 1.276 in (1)
1.281 1.281 in (19)
1.282 1.282 in (8)
1.325 1.325 in (6)
1.37 1.37 in (2)
1.375 1.375 in (1)
1.379 1.379 in (25)
1.532 1.532 in (14)
1.75 1.75 in (3)

F Dimension Min fDimension_I to F Dimension Max F Dimension Max

range select

Minimum Axial Groove Diameter

4.575 4.575 mm (4)
5.176 5.176 mm (8)
5.775 5.775 mm (3)
5.801 5.801 mm (5)
5.851 5.851 mm (1)
5.95 5.95 mm (2)
6.0 6.0 mm (1)
6.176 6.176 mm (1)
6.2 6.2 mm (1)
6.601 6.601 mm (1)
6.775 6.775 mm (1)
6.976 6.976 mm (1)
7.101 7.101 mm (4)
7.25 7.25 mm (6)
7.426 7.426 mm (2)
7.5 7.5 mm (1)
7.525 7.525 mm (2)
7.601 7.601 mm (1)
7.625 7.625 mm (2)
8.15 8.15 mm (1)
8.8 8.8 mm (2)
9.05 9.05 mm (2)
9.1 9.1 mm (1)
9.15 9.15 mm (2)
10.55 10.55 mm (4)
11.0 11.0 mm (8)
12.201 12.201 mm (16)
12.451 12.451 mm (1)
12.9 12.9 mm (1)
13.0 13.0 mm (23)
14.3 14.3 mm (1)
15.25 15.25 mm (24)
16.0 16.0 mm (32)
16.5 16.5 mm (1)
18.55 18.55 mm (7)
19.55 19.55 mm (24)
20.0 20.0 mm (41)
21.375 21.375 mm (1)
21.6 21.6 mm (7)
23.625 23.625 mm (23)
24.901 24.901 mm (12)
25.0 25.0 mm (44)
26.151 26.151 mm (1)
26.925 26.925 mm (1)
27.0 27.0 mm (2)
30.225 30.225 mm (1)
30.475 30.475 mm (29)
31.0 31.0 mm (8)
32.0 32.0 mm (110)
32.676 32.676 mm (2)
33.025 33.025 mm (18)
33.275 33.275 mm (1)
37.0 37.0 mm (3)
37.35 37.35 mm (16)
37.4 37.4 mm (3)
39.375 39.375 mm (3)
40.0 40.0 mm (79)
41.276 41.276 mm (2)
43.301 43.301 mm (22)
44.7 44.7 mm (26)
44.95 44.95 mm (1)
45.0 45.0 mm (2)
45.975 45.975 mm (1)
47.625 47.625 mm (2)
48.0 48.0 mm (1)
50.0 50.0 mm (62)
50.801 50.801 mm (25)
51.051 51.051 mm (9)
52.0 52.0 mm (2)
53.975 53.975 mm (3)
55.0 55.0 mm (6)
57.151 57.151 mm (4)
59.0 59.0 mm (2)
60.95 60.95 mm (21)
63.0 63.0 mm (25)
63.5 63.5 mm (9)
65.0 65.0 mm (1)
65.825 65.825 mm (4)
76.95 76.95 mm (14)
82.551 82.551 mm (3)

Minimum Axial Groove Diameter Min axialGrooveDiaMin_M to Minimum Axial Groove Diameter Max Minimum Axial Groove Diameter Max

range select

Minimum Axial Groove Diameter

0.18 0.18 in (4)
0.205 0.205 in (8)
0.227 0.227 in (3)
0.228 0.228 in (5)
0.23 0.23 in (1)
0.234 0.234 in (2)
0.237 0.237 in (1)
0.243 0.243 in (1)
0.244 0.244 in (1)
0.26 0.26 in (1)
0.267 0.267 in (1)
0.275 0.275 in (1)
0.28 0.28 in (4)
0.286 0.286 in (6)
0.292 0.292 in (2)
0.295 0.295 in (1)
0.296 0.296 in (2)
0.299 0.299 in (1)
0.3 0.3 in (2)
0.321 0.321 in (1)
0.347 0.347 in (2)
0.356 0.356 in (2)
0.358 0.358 in (1)
0.36 0.36 in (2)
0.416 0.416 in (4)
0.433 0.433 in (8)
0.48 0.48 in (16)
0.49 0.49 in (1)
0.508 0.508 in (1)
0.512 0.512 in (23)
0.564 0.564 in (1)
0.6 0.6 in (24)
0.63 0.63 in (32)
0.65 0.65 in (1)
0.73 0.73 in (7)
0.77 0.77 in (24)
0.787 0.787 in (41)
0.842 0.842 in (1)
0.85 0.85 in (7)
0.93 0.93 in (23)
0.98 0.98 in (12)
0.984 0.984 in (44)
1.03 1.03 in (1)
1.06 1.06 in (1)
1.063 1.063 in (2)
1.19 1.19 in (1)
1.2 1.2 in (29)
1.22 1.22 in (8)
1.26 1.26 in (110)
1.286 1.286 in (2)
1.3 1.3 in (18)
1.31 1.31 in (1)
1.457 1.457 in (3)
1.47 1.47 in (16)
1.472 1.472 in (3)
1.55 1.55 in (3)
1.575 1.575 in (79)
1.625 1.625 in (2)
1.705 1.705 in (22)
1.76 1.76 in (26)
1.77 1.77 in (1)
1.772 1.772 in (2)
1.81 1.81 in (1)
1.875 1.875 in (2)
1.891 1.891 in (1)
1.969 1.969 in (62)
2.0 2.0 in (25)
2.011 2.011 in (9)
2.047 2.047 in (2)
2.125 2.125 in (3)
2.165 2.165 in (6)
2.25 2.25 in (4)
2.323 2.323 in (2)
2.4 2.4 in (21)
2.48 2.48 in (25)
2.5 2.5 in (9)
2.559 2.559 in (1)
2.592 2.592 in (4)
3.031 3.031 in (14)
3.25 3.25 in (3)

Minimum Axial Groove Diameter Min axialGrooveDiaMin_I to Minimum Axial Groove Diameter Max Minimum Axial Groove Diameter Max

Cutting Direction

B B (420)
E E (401)
P P (17)

Rake Angle Style

DOUBLE NEGATIVE DOUBLE NEGATIVE (447)
DOUBLE POSITIVE DOUBLE POSITIVE (3)
NEGATIVE-ZERO NEGATIVE-ZERO (226)
NEUTRAL (ZERO) NEUTRAL (ZERO) (74)
POSITIVE-NEGATIVE POSITIVE-NEGATIVE (28)
POSITIVE-ZERO POSITIVE-ZERO (69)

range select

Maximum Bore Depth

0.484 0.484 in (1)
0.5 0.5 in (7)
0.63 0.63 in (2)
0.75 0.75 in (7)
0.787 0.787 in (2)
0.946 0.946 in (5)
0.982 0.982 in (1)
0.984 0.984 in (1)
1.0 1.0 in (14)
1.018 1.018 in (1)
1.25 1.25 in (9)
1.26 1.26 in (14)
1.379 1.379 in (2)
1.385 1.385 in (3)
1.43 1.43 in (1)
1.499 1.499 in (13)
1.5 1.5 in (8)
1.508 1.508 in (3)
1.575 1.575 in (15)
1.609 1.609 in (1)
1.625 1.625 in (1)
1.655 1.655 in (1)
1.661 1.661 in (6)
1.701 1.701 in (2)
1.891 1.891 in