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ADJUSTABLE COUNTERBORE TOOLS |
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Cartridge Style Counterbore Tools |
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Advantages |
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-Free cutting high
positive geometry |
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ADJUSTABLE C-BORES |
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K-TOOL # |
D |
FLUTES |
X |
L |
L-1 |
D.O.C. |
S |
CARTRIDGE |
SCREW |
INSERT |
SCREW |
WRENCH |
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CH-750-937 |
.750 TO .937 |
1 |
.235 |
3.75 |
1.75 |
1.37 |
.750 |
CH-221 |
#103262 |
SPEB-221CB |
300T |
T-8 |
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CH-937-1187 |
.937 TO 1.187 |
1 |
.280 |
4.50 |
2.25 |
1.87 |
1.00 |
CH-2522 |
#103262 |
SPEB-2522CB |
300T |
T-8 |
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CH-1187-1437 |
1.187 TO 1.437 |
1 |
.465 |
4.50 |
2.25 |
1.87 |
1.00 |
CH-432 |
#142878 |
SPEB-432CB |
638T |
T-15 |
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CH-1437-1687 |
1.437 TO 1.687 |
1 |
.465 |
4.50 |
2.25 |
1.87 |
1.00 |
CH-432 |
#142810 |
SPEB-432CB |
638T |
T-15 |
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ADJUSTMENT SCREWS |
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CH-750-937 |
5-40 x 1/4 |
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CH-937- 1187 |
5-40 x 1/4 |
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CH-1187-1437 |
6-32 x 1/4 |
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CH-1437-1687 |
6-32 x 3/8 |
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SPEED & FEED INFORMATION |
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MATERIAL |
MATERIAL EXAMPLES |
S.F.M. |
I.P.T. |
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MILD & LOW CARBON STEELS |
1018, 1020, 1117, 1141, 12L14 |
800 - 1200 |
.002 - .003 |
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HIGH CARBON & ALLOY STEELS |
1045, 4140, 4340, 52100, 8620 |
500 - 800 |
.002 - .003 |
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LOWER CARBON TOOL STEELS |
P-20, H-13, S-7 |
400 - 700 |
.002 - .003 |
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TOOL STEELS |
A-2, A-6, D-2, M-2 |
300 - 600 |
.001 - .003 |
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STAINLESS STEELS |
303, 304, 316, 420, 15-5PH, 17-4PH |
300 - 600 |
.001 - .002 |
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IRON |
CAST, DUCTILE, NODULAR |
600 - 1000 |
.002 - .003 |
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NICKEL & TITANIUM ALLOYS |
INCONEL, HASTELLOY, TI-6AL-4V |
120 - 180 |
.001 - .002 |
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NON-FERROUS METALS |
ALUMINUM, BRONZE, BRASS |
1000 - 2500 |
.002 - .004 |
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I.P.R. = NUMBER OF FLUTES x I.P.T. |
I.P.M. = I.P.R. X. R.P.M. |
R.P.M. = S.F.M. / DIA. x 3.82 |
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