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

Quick Change - Boring Tools
QHBBC | Turning Tools

Featuring a corner radius profile for added tool life, this fully stocked Helical Back Rake tool is optimized for boring applications in bores .0275" and larger. This product is also available in standard shank styles.

  • 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
  • Coolant fed enabled shank design
  • Corner radius profile
  • Proprietary Micro-Quik™ quick change system maximizes productivity through reliable accuracy and locational repeatability
  • Solid carbide
  • CNC ground in the USA   

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Minimum
Bore Diameter
Rotational Minimum Bore Diameter Maximum
Bore Depth
Radius Length From Holder Neck Diameter Centerline Offset Shank
Diameter
Overall
Length
Uncoated Add to Cart Default Sort
D1 Dr L2 +.050" / -.000" R +.003" / -.000" L4 D3 +.000/-.002 F D2 (h6) L1 Tool # Price
.0275 .030 .187 .004 .590 .025 .015 .1875 1.5 QHBBC-030187-004 $30.90 00000001
.0275 .030 .250 .004 .590 .025 .015 .1875 1.5 QHBBC-030250-004 $30.90 00000002
.0325 .035 .125 .004 .590 .030 .018 .1875 1.5 QHBBC-035125-004 $30.90 00000003
.0325 .035 .187 .004 .590 .030 .018 .1875 1.5 QHBBC-035187-004 $30.90 00000004
.0325 .035 .250 .004 .590 .030 .018 .1875 1.5 QHBBC-035250-004 $30.90 00000005
.0375 .040 .187 .004 .590 .035 .020 .1875 1.5 QHBBC-040187-004 $30.90 00000006
.0375 .040 .250 .004 .590 .035 .020 .1875 1.5 QHBBC-040250-004 $30.90 00000007
.0375 .040 .312 .004 .590 .035 .020 .1875 1.5 QHBBC-040312-004 $30.90 00000008
.0450 .050 .187 .004 .590 .040 .025 .1875 1.5 QHBBC-050187-004 $30.90 00000009
.0450 .050 .312 .004 .590 .040 .025 .1875 1.5 QHBBC-050312-004 $30.90 00000010
.0450 .050 .375 .004 .590 .040 .025 .1875 1.5 QHBBC-050375-004 $30.90 00000011
.0550 .060 .250 .004 .590 .050 .030 .1875 1.5 QHBBC-060250-004 $30.90 00000012
.0550 .060 .375 .004 .590 .050 .030 .1875 1.5 QHBBC-060375-004 $30.90 00000013
.0550 .060 .500 .004 .590 .050 .030 .1875 1.5 QHBBC-060500-004 $30.90 00000014
.0650 .070 .312 .004 .590 .060 .035 .1875 1.5 QHBBC-070312-004 $30.90 00000015
.0650 .070 .437 .004 .590 .060 .035 .1875 1.5 QHBBC-070437-004 $30.90 00000016
.0650 .070 .562 .004 1.090 .060 .035 .1875 2.0 QHBBC-070562-004 $30.90 00000017
.0750 .080 .375 .004 .590 .070 .040 .1875 1.5 QHBBC-080375-004 $30.90 00000018
.0750 .080 .500 .004 .590 .070 .040 .1875 1.5 QHBBC-080500-004 $30.90 00000019
.0750 .080 .625 .004 1.090 .070 .040 .1875 2.0 QHBBC-080625-004 $30.90 00000020
.0850 .090 .375 .004 .590 .080 .045 .1875 1.5 QHBBC-090375-004 $30.90 00000021
.0850 .090 .500 .004 .590 .080 .045 .1875 1.5 QHBBC-090500-004 $30.90 00000022
.0850 .090 .687 .004 1.090 .080 .045 .1875 2.0 QHBBC-090687-004 $30.90 00000023
.0950 .100 .437 .004 .590 .090 .050 .1875 1.5 QHBBC-100437-004 $30.90 00000024
.0950 .100 .562 .004 1.090 .090 .050 .1875 2.0 QHBBC-100562-004 $30.90 00000025
.0950 .100 .750 .004 1.090 .090 .050 .1875 2.0 QHBBC-100750-004 $30.90 00000026
.1100 .120 .500 .004 .590 .100 .060 .1875 1.5 QHBBC-120500-004 $30.90 00000027
.1100 .120 .625 .004 1.090 .100 .060 .1875 2.0 QHBBC-120625-004 $30.90 00000028
.1100 .120 1.000 .004 1.090 .100 .060 .1875 2.0 QHBBC-1201000-004 $30.90 00000029
.1225 .135 .562 .004 1.090 .110 .068 .1875 2.0 QHBBC-135562-004 $30.90 00000030
.1225 .135 .750 .004 1.090 .110 .068 .1875 2.0 QHBBC-135750-004 $30.90 00000031
.1225 .135 1.000 .004 1.090 .110 .068 .1875 2.0 QHBBC-1351000-004 $30.90 00000032
.1400 .150 .625 .004 1.090 .130 .075 .1875 2.0 QHBBC-1500625-004 $30.90 00000033
.1400 .150 1.000 .004 1.090 .130 .075 .1875 2.0 QHBBC-1501000-004 $30.90 00000034
.1400 .150 1.250 .004 1.590 .130 .075 .1875 2.5 QHBBC-1501250-004 $30.90 00000035
.1700 .180 1.000 .004 1.090 .160 .090 .1875 2.0 QHBBC-1801000-004 $30.90 00000036
.1700 .180 1.250 .004 1.590 .160 .090 .1875 2.5 QHBBC-1801250-004 $30.90 00000037
.1700 .180 1.500 .004 1.590 .160 .090 .1875 2.5 QHBBC-1801500-004 $30.90 00000038
.1975 .210 1.000 .004 1.353 .185 .105 .2500 2.5 QHBBC-2101000-004 $35.05 00000039
.1975 .210 1.250 .004 1.353 .185 .105 .2500 2.5 QHBBC-2101250-004 $35.05 00000040
.1975 .210 1.500 .004 1.853 .185 .105 .2500 3.0 QHBBC-2101500-004 $35.05 00000041
.2275 .240 1.000 .004 1.353 .215 .120 .2500 2.5 QHBBC-2401000-004 $35.05 00000042
.2275 .240 1.500 .004 1.853 .215 .120 .2500 3.0 QHBBC-2401500-004 $35.05 00000043
.2275 .240 1.750 .004 1.853 .215 .120 .2500 3.0 QHBBC-2401750-004 $35.05 00000044
.2750 .300 1.000 .004 1.353 .250 .150 .3125 2.5 QHBBC-3001000-004 $46.15 00000045
.2750 .300 1.500 .004 1.853 .250 .150 .3125 3.0 QHBBC-3001500-004 $46.15 00000046
.2750 .300 1.750 .004 1.853 .250 .150 .3125 3.0 QHBBC-3001750-004 $46.15 00000047
.3400 .360 1.000 .004 1.353 .320 .180 .3750 2.5 QHBBC-3601000-004 $62.85 00000048
.3400 .360 1.500 .004 1.853 .320 .180 .3750 3.0 QHBBC-3601500-004 $62.85 00000049
.3400 .360 2.000 .004 2.353 .320 .180 .3750 3.5 QHBBC-3602000-004 $78.45 00000050
.3400 .360 2.500 .004 2.853 .320 .180 .3750 4.0 QHBBC-3602500-004 $78.45 00000051

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