Standard - Boring Tools - Helical Back Rake - Corner Radius

Standard - Boring Tools
HBBC | Turning Tools

This fully stocked offering of Micro 100 Helical Back Rake Boring Tools features a corner radius profile for added strength and improved tool life. This unique tool is also available for use with Micro 100's Micro-Quik™.

  • Designed for boring applications in bores .0275" 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
  • Well suited for machining plastics
  • On center neck design allows for static (D1) and live/rotating (DR) applications
  • Lockdown flat automatically locates tool on center
  • Corner radius profile
  • Solid carbide
  • CNC ground in the USA   

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Minimum
Bore Diameter
Rotational Minimum Bore Diameter Maximum
Bore Depth
Radius Neck Diameter Centerline Offset Shank
Diameter
Overall
Length
Uncoated Add to Cart Default Sort
D1 Dr L2 +.032" / -.000" R +/-.001" D3 +.000/-.002 F D2 (h6) L1 Tool # Price
.0275 .030 .187 .004 .025 .015 .1250 1.5 HBBC-030187-004 $33.40 00000001
.0275 .030 .250 .004 .025 .015 .1250 1.5 HBBC-030250-004 $33.40 00000002
.0325 .035 .125 .004 .030 .018 .1250 1.5 HBBC-035125-004 $26.10 00000003
.0325 .035 .187 .004 .030 .018 .1250 1.5 HBBC-035187-004 $26.10 00000004
.0325 .035 .250 .004 .030 .018 .1250 1.5 HBBC-035250-004 $26.10 00000005
.0375 .040 .187 .004 .035 .020 .1250 1.5 HBBC-040187-004 $26.10 00000006
.0375 .040 .250 .004 .035 .020 .1250 1.5 HBBC-040250-004 $26.10 00000007
.0375 .040 .312 .004 .035 .020 .1250 1.5 HBBC-040312-004 $26.10 00000008
.0450 .050 .187 .004 .040 .025 .1250 1.5 HBBC-050187-004 $26.10 00000009
.0450 .050 .312 .004 .040 .025 .1250 1.5 HBBC-050312-004 $26.10 00000010
.0450 .050 .375 .004 .040 .025 .1250 1.5 HBBC-050375-004 $26.10 00000011
.0550 .060 .250 .004 .050 .030 .1250 1.5 HBBC-060250-004 $26.10 00000012
.0550 .060 .375 .004 .050 .030 .1250 1.5 HBBC-060375-004 $26.10 00000013
.0550 .060 .500 .004 .050 .030 .1250 1.5 HBBC-060500-004 $26.10 00000014
.0650 .070 .312 .004 .060 .035 .1250 1.5 HBBC-070312-004 $26.10 00000015
.0650 .070 .437 .004 .060 .035 .1250 1.5 HBBC-070437-004 $26.10 00000016
.0650 .070 .562 .004 .060 .035 .1250 1.5 HBBC-070562-004 $26.10 00000017
.0750 .080 .375 .004 .070 .040 .1250 1.5 HBBC-080375-004 $26.10 00000018
.0750 .080 .500 .004 .070 .040 .1250 1.5 HBBC-080500-004 $26.10 00000019
.0750 .080 .625 .004 .070 .040 .1250 1.5 HBBC-080625-004 $26.10 00000020
.0850 .090 .375 .004 .080 .045 .1250 1.5 HBBC-090375-004 $26.10 00000021
.0850 .090 .500 .004 .080 .045 .1250 1.5 HBBC-090500-004 $26.10 00000022
.0850 .090 .687 .004 .080 .045 .1250 1.5 HBBC-090687-004 $26.10 00000023
.0950 .100 .437 .004 .090 .050 .1250 1.5 HBBC-100437-004 $26.10 00000024
.0950 .100 .562 .004 .090 .050 .1250 1.5 HBBC-100562-004 $26.10 00000025
.0950 .100 .750 .004 .090 .050 .1250 1.5 HBBC-100750-004 $26.10 00000026
.1100 .120 .500 .004 .100 .060 .1250 1.5 HBBC-120500-004 $26.10 00000027
.1100 .120 .625 .004 .100 .060 .1250 1.5 HBBC-120625-004 $26.10 00000028
.1100 .120 1.000 .004 .100 .060 .1250 1.5 HBBC-1201000-004 $26.10 00000029
.1225 .135 .562 .004 .110 .068 .1875 2.0 HBBC-135562-004 $28.10 00000030
.1225 .135 .750 .004 .110 .068 .1875 2.0 HBBC-135750-004 $28.10 00000031
.1225 .135 1.000 .004 .110 .068 .1875 2.0 HBBC-1351000-004 $28.10 00000032
.1400 .150 .625 .004 .130 .075 .1875 2.0 HBBC-150625-004 $28.10 00000033
.1400 .150 1.000 .004 .130 .075 .1875 2.0 HBBC-1501000-004 $28.10 00000034
.1400 .150 1.250 .004 .130 .075 .1875 2.0 HBBC-1501250-004 $28.10 00000035
.1700 .180 1.000 .004 .160 .090 .1875 2.0 HBBC-1801000-004 $28.10 00000036
.1700 .180 1.250 .004 .160 .090 .1875 2.0 HBBC-1801250-004 $28.10 00000037
.1700 .180 1.500 .004 .160 .090 .1875 2.0 HBBC-1801500-004 $28.10 00000038
.1975 .210 1.000 .004 .185 .105 .2500 2.5 HBBC-2101000-004 $30.30 00000039
.1975 .210 1.250 .004 .185 .105 .2500 2.5 HBBC-2101250-004 $30.30 00000040
.1975 .210 1.500 .004 .185 .105 .2500 2.5 HBBC-2101500-004 $30.30 00000041
.2275 .240 1.000 .004 .215 .120 .2500 2.5 HBBC-2401000-004 $30.30 00000042
.2275 .240 1.500 .004 .215 .120 .2500 2.5 HBBC-2401500-004 $30.30 00000043
.2275 .240 1.750 .004 .215 .120 .2500 2.5 HBBC-2401750-004 $30.30 00000044
.2750 .300 1.000 .004 .250 .150 .3125 2.5 HBBC-3001000-004 $40.80 00000045
.2750 .300 1.500 .004 .250 .150 .3125 2.5 HBBC-3001500-004 $40.80 00000046
.2750 .300 1.750 .004 .250 .150 .3125 2.5 HBBC-3001750-004 $40.80 00000047
.3400 .360 1.000 .004 .320 .180 .3750 2.5 HBBC-3601000-004 $56.10 00000048
.3400 .360 1.500 .004 .320 .180 .3750 2.5 HBBC-3601500-004 $56.10 00000049
.3400 .360 2.000 .004 .320 .180 .3750 4.0 HBBC-3602000-004 $71.70 00000050
.3400 .360 2.500 .004 .320 .180 .3750 4.0 HBBC-3602500-004 $71.70 00000051

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