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Standard - Boring Tools - Helical Back Rake

Standard - Boring Tools
Standard - Boring Tools - Helical Back Rake

HBB / HBBM | Turning Tools

The helical grind on this helical back rake line of tooling provides ideal top rake for better chip control and freer cutting, and features a neck that's centered to shank for use in jig bore machines.

  • Designed for boring
  • Polished face for improved edge retention and chip evacuation while reducing galling
  • Helical grind provides ideal top rake for better chip control and freer cutting
  • Uncoated variant ideal for plastics
  • On center neck design allows for static (D1) and live/rotating (DR) applications
  • Cylindrical shank (no set screw flat)
  • AlTiN coated option provides added lubricity and increased wear resistance in difficult to machine materials
  • CNC ground in the USA
PRODUCT TABLE

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Minimum Bore Diameter Minimum Rotational Bore Diameter Maximum Bore Depth Neck Diameter Centerline Offset Shank Diameter Overall Length Uncoated AlTiN Coated Add to Cart Default Sort
D1   decimal equiv. DR L2 +.032"/-.000"
+.81 mm / -.00 mm		 D3 +.000"/-.002"
+.00 mm / -.05 mm		 F D2 (h6) L1 Tool # Price Tool # Price
.0175 .0175 .020 .063 .015 .010 .1250 1.5 HBB-020062 $31.90 HBB-020062X $34.40 00000001
0.45 mm .0177 0.5 mm 2 mm 0.4 mm 0.25 mm 3 mm 38 mm HBM-005002 $29.00 00000002
.0225 .0225 .025 .063 .020 .013 .1250 1.5 HBB-025062 $31.90 00000003
.0225 .0225 .025 .125 .020 .013 .1250 1.5 HBB-025125 $31.90 HBB-025125X $34.40 00000004
0.65 mm .0256 0.7 mm 3 mm 0.6 mm 0.35 mm 3 mm 38 mm HBM-007003 $29.00 00000005
.0275 .0275 .030 .125 .025 .015 .1250 1.5 HBB-030125 $31.90 00000006
.0275 .0275 .030 .188 .025 .015 .1250 1.5 HBB-030187 $31.90 HBB-030187X $34.40 00000007
0.75 mm .0295 0.8 mm 4 mm 0.7 mm 0.40 mm 3 mm 38 mm HBM-008004 $29.00 00000008
.0325 .0325 .035 .125 .030 .018 .1250 1.5 HBB-035125 $24.60 HBB-035125X $27.10 00000009
.0325 .0325 .035 .188 .030 .018 .1250 1.5 HBB-035187 $24.60 HBB-035187X $27.10 00000010
0.85 mm .0335 0.9 mm 5 mm 0.8 mm 0.45 mm 3 mm 38 mm HBM-009005 $22.40 00000011
0.90 mm .0354 1.0 mm 6 mm 0.8 mm 0.50 mm 3 mm 38 mm HBM-010006 $22.40 00000012
.0375 .0375 .040 .188 .035 .020 .1250 1.5 HBB-040187 $24.60 HBB-040187X $27.10 00000013
.0375 .0375 .040 .250 .035 .020 .1250 1.5 HBB-040250 $24.60 HBB-040250X $27.10 00000014
.0450 .0450 .050 .313 .040 .025 .1250 1.5 HBB-050312 $24.60 HBB-050312X $27.10 00000015
1.35 mm .0532 1.5 mm 9 mm 1.2 mm 0.75 mm 3 mm 38 mm HBM-015009 $22.40 00000016
.0550 .0550 .060 .375 .050 .030 .1250 1.5 HBB-060375 $24.60 HBB-060375X $27.10 00000017
1.63 mm .0642 1.75 mm 10 mm 1.5 mm 0.88 mm 3 mm 38 mm HBM-017510 $22.40 00000018
.0650 .0650 .070 .438 .060 .035 .1250 1.5 HBB-070437 $24.60 HBB-070437X $27.10 00000019
.0750 .0750 .080 .500 .070 .040 .1250 1.5 HBB-080500 $24.60 HBB-080500X $27.10 00000020
2.05 mm .0807 2.26 mm 12 mm 1.9 mm 1.13 mm 3 mm 38 mm HBM-022512 $22.40 00000021
.0850 .0850 .090 .500 .080 .045 .1250 1.5 HBB-090500 $24.60 HBB-090500X $27.10 00000022
.0950 .0950 .100 .563 .090 .050 .1250 1.5 HBB-100562 $24.60 HBB-100562X $27.10 00000023
2.58 mm .1016 2.75 mm 14 mm 2.4 mm 1.38 mm 3 mm 38 mm HBM-027514 $22.40 00000024
2.75 mm .1083 3.0 mm 16 mm 2.5 mm 1.50 mm 4 mm 50 mm HBM-030016 $23.15 00000025
.1100 .1100 .120 .625 .100 .060 .1250 1.5 HBB-120625 $24.60 HBB-120625X $27.10 00000026
.1100 .1100 .120 1.000 .100 .060 .1250 1.5 HBB-1201000 $24.60 HBB-1201000X $27.10 00000027
.1225 .1225 .135 .750 .110 .068 .1875 2.0 HBB-135750 $26.35 HBB-135750X $29.25 00000028
.1225 .1225 .135 1.000 .110 .068 .1875 2.0 HBB-1351000 $26.35 HBB-1351000X $29.25 00000029
.1400 .1400 .150 1.000 .130 .075 .1875 2.0 HBB-1501000 $26.35 HBB-1501000X $29.25 00000030
.1400 .1400 .150 1.250 .130 .075 .1875 2.0 HBB-1501250 $26.35 HBB-1501250X $29.25 00000031
3.65 mm .1437 4.0 mm 25 mm 3.3 mm 2.00 mm 6 mm 57 mm HBM-040025X $35.65 00000032
4.15 mm .1634 4.5 mm 30 mm 3.8 mm 2.25 mm 6 mm 57 mm HBM-045030 $25.90 00000033
.1700 .1700 .180 1.000 .160 .090 .1875 2.0 HBB-1801000 $26.35 HBB-1801000X $29.25 00000034
.1700 .1700 .180 1.250 .160 .090 .1875 2.0 HBB-1801250 $26.35 HBB-1801250X $29.25 00000035
.1700 .1700 .180 1.500 .160 .090 .1875 2.0 HBB-1801500 $26.35 HBB-1801500X $29.25 00000036
.1975 .1975 .210 1.000 .185 .105 .2500 2.5 HBB-2101000 $28.55 HBB-2101000X $33.45 00000037
.1975 .1975 .210 1.250 .185 .105 .2500 2.5 HBB-2101250 $28.55 HBB-2101250X $33.45 00000038
.1975 .1975 .210 1.500 .185 .105 .2500 2.5 HBB-2101500 $28.55 HBB-2101500X $33.45 00000039
5.15 mm .2028 5.5 mm 35 mm 4.8 mm 2.75 mm 6 mm 57 mm HBM-055035 $25.90 00000040
.2275 .2275 .240 1.000 .215 .120 .2500 2.5 HBB-2401000 $28.55 HBB-2401000X $33.45 00000041
.2275 .2275 .240 1.500 .215 .120 .2500 2.5 HBB-2401500 $28.55 HBB-2401500X $33.45 00000042
.2275 .2275 .240 1.750 .215 .120 .2500 2.5 HBB-2401750 $28.55 HBB-2401750X $33.45 00000043
.2750 .2750 .300 1.000 .250 .150 .3125 2.5 HBB-3001000 $39.05 HBB-3001000X $45.85 00000044
.2750 .2750 .300 1.500 .250 .150 .3125 2.5 HBB-3001500 $39.05 HBB-3001500X $45.85 00000045
.2750 .2750 .300 1.750 .250 .150 .3125 2.5 HBB-3001750 $39.05 HBB-3001750X $45.85 00000046
.3400 .3400 .360 1.000 .320 .180 .3750 2.5 HBB-3601000 $54.20 00000047
.3400 .3400 .360 1.500 .320 .180 .3750 2.5 HBB-3601500 $54.20 HBB-3601500X $61.00 00000048
.3400 .3400 .360 2.000 .320 .180 .3750 4.0 HBB-3602000 $69.80 HBB-3602000X $75.60 00000049
.3400 .3400 .360 2.500 .320 .180 .3750 4.0 HBB-3602250 $69.80 00000050
.3400 .3400 .360 2.500 .320 .180 .3750 4.0 HBB-3602500 $69.80 HBB-3602500X $75.60 00000051
.4600 .4600 .480 2.500 .440 .240 .5000 4.0 HBB-4802500 $83.70 00000052
.4600 .4600 .480 3.000 .440 .240 .5000 4.0 HBB-4803000 $83.70 00000053

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