FINE BORING HEADS
SERIES 112—INSERT SELECTION & CUTTING DATA BORING RANGE: ø.228"-.650"
OPTIMAL CONDITIONS: • Length to diameter ratio less than 4:1 •Rigid fixture and workpiece •Good machine spindle CRITICAL CONDITIONS: • Length to diameter ratio over 4:1 •Unstable fixture and/or workpiece •Worn machine spindle/poor runout
Inserts & Cutting Speeds
Insert Radius
Stock Allow “/Dia.
Feed (IPR)
Material
Optimal Conditions
Critical Conditions
WC..02
TP..07
Speed (SFM)
WC..02
TP..07
Speed (SFM)
10.655.606 10.651.824 10.655.602 10.651.802 11.655.606 10.651.702 10.655.606 10.651.840 10.655.602 10.651.802 11.655.606 10.651.702
10.655.604 10.651.840 10.655.601 10.651.835
.004 .004-.008 .008 .008-.012 .016 .012-.016 .004 .004-.008 .008 .008-.012 .016 .012-.016 .004 .004-.008 .008 .008-.012 .012 .012-.016 .004 .004-.008 .008 .008-.012 .016 .012-.016 .004 .004-.008 .008 .008-.012 .012 .012-.016 — .008-.012 .004 .004-.008 .008 .008-.012 .012 .012-.016 .004 .003-.006 .008 .006-.010 .012 .008-.012 .004 .004-.008 .008 .008-.012 .012 .012-.016 .004 .004-.008 .008 .008-.012 .012 .012-.016 .016 .016-.020 .008 .010-.014 .012 .016-.020 .008 .004-.008 .012 .004-.008
.0015-.0020 .0020-.0030 .0025-.0030 .0015-.0020 .0020-.0030 .0025-.0030 .0010-.0015 .0015-.0020 .0020-.0250 .0015-.0020 .0020-.0030 .0025-.0030 .0015-.0020 .0020-.0030 .0025-.0030
Mild, Low-Carbon Steels 10xx-15xx 1018,1020, 1551, A36
500-800
300-450
— 10.651.843
10.655.604 10.651.824 10.655.601 10.651.835
High Carbon Alloy Steels 23xx-92xx, Tool Steel 4140, 4340, 8620
400-650
250-400
— 10.651.843
10.655.606
—
10.655.605
—
300 Stainless Steels Austenitic 303, 304, 316, 17-4ph
10.655.602 10.651.837
10.655.603 10.651.837
250-500
200-300
— 10.651.737
— 10.651.737
10.655.606 10.651.840 10.655.602 10.651.837 11.655.606 10.651.843 10.655.605 10.651.840 10.655.607 10.651.835
10.655.605
—
400 Stainless Steels Martensitic 403, 410, 416, 430
10.655.603 10.651.834
500-750
250-400
— 10.651.843
10.655.605 10.651.824 10.655.603 10.651.833
Grey Cast Iron Malleable Class 20, 30
500-750
300-450
— 10.651.632
— 10.651.735
11.938.863 11.938.872 10.655.605 10.651.840
—
—
CBN-CH, CBN-CHN
750-1000
— .0020-.0030
10.655.606 10.651.824
.0015-.0020 .0020-.0030 .0025-.0030 .0010-.0015 .0010-.0020 .0015-.0025
Cast Iron Ductile/Nodular/Chilled
11.655.607
—
10.655.602
—
375-650
250-400
— 10.651.842
— 10.651.632
10.655.606
—
10.655.606
—
High Temp. Alloys Titanium, Inconel, Monel
10.655.602 10.651.837
10.655.602 10.651.837
200-325
150-225
— 10.651.737
— 10.651.842
10.655.606 10.651.840 10.655.602 10.651.837
10.655.605 10.655.603
— —
.0015 .0020 .0030
Copper Alloys Brass, Bronze
600-1000
350-500
— 10.651.842
— 10.651.623
10.655.605 10.651.823 10.655.603 10.651.825
10.655.605 10.651.823 10.655.603 10.651.825
.0015-.0025 .0020-.0030 .0030-.0040 .0035-.0045 .0020-.0030 .0030-.0040 .0008-.0012 .0010-.0015
Aluminum/Magnesium 6061, 7075 Carbide Inserts
600-1000
350-600
— 10.651.723 — 10.651.725
— 10.651.723 — 10.651.725
11.938.845
—
— — — —
— — — —
Aluminum/Magnesium 6061, 7075 PCD Inserts Tool Steel (Min 50 Rc) CBN Inserts
800-1350
—
— 10.938.840
11.938.846
—
150-225
—
— 10.938.837
All Cutting Data Without Guarantee Cutting Speed:
Feed Rate: IPM = RPM x IPR
SFM x 3.82 RPM = Bore ø
447
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