Find a Distributor

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 applications in bores .020" and larger
  • 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 and live/rotating 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

Advanced Search

Head Width Rotational Min. Bore Diameter Maximum Bore Depth Neck Diameter Centerline Offset Shank Diameter Overall Length Uncoated AlTiN Coated Add to Cart Default Sort
H   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

Write A Review

Thank you for your review. It has been submitted to the website administrator for approval

Please select a rating.

Write A Review

Thank you for your review. It has been submitted to the website administrator for approval

Please select a rating.

Customers Also Viewed
Standard - Boring Tools - Left Hand
Standard - Boring Tools - Left Hand

A left hand boring tool designed for facing and boring applications, Micro 100's BBL product line features a lockdown flat to. . .

Standard - Boring Tools - Right Hand
Standard - Boring Tools - Right Hand

Optimized for facing and boring applications in bores .0550" and larger, this line of right hand boring tools features a poli. . .

Quick Change - Boring Tools - Helical Back Rake - Corner Radius
Quick Change - Boring Tools - Helical Back Rake - Corner Radius

Featuring a corner radius profile for added tool life, this fully stocked Helical Back Rake tool is optimized for boring appl. . .

Standard - Boring Tools - Helical Back Rake - Corner Radius
Standard - Boring Tools - Helical Back Rake - Corner Radius

This fully stocked offering of Micro 100 Helical Back Rake Boring Tools features a corner radius profile for added strength a. . .