Special Tool Configurations

Carbide Tip, 135° Split Point, Screw Machine Length Drill
Style 115
Premium carbide grade provides excellent wear resistance when cutting
cast aluminum, bronze, cast and ductile irons, titaniums, fiberglass, hard
plastics and non-ferrous metals. Not recommended for soft steels.
• 135° four facet split point improves true position and is an
excellent starting drill for longer coolant fed drills.
• 2 to 2.5 times faster speed than standard high speed steel with
better hole finish.
• Right hand spiral, right hand cut, heavy duty high speed steel body.
•
Allow 2.5 x Ø of flute for chip exit up to 1/4” (6.35mm),
2 x Ø up to 7/16” (11.1mm) and 1.5 x Ø over 7/16”.
Diameter Tolerances
Cutting ø Shank ø
Nominal Size
Inch mm Inch mm
Through
.2500” +.0000 +0.000 +.0000 +0.000
6.35mm -.0010 -0.025 -.0030 -0.076
.2501” .5000” +.0000 +0.000 +.0000 +0.000
To
6.36mm 12.7mm -.0010 -0.025 -.0045 -0.114
.5001”
And Up
+.0000 +0.000 +.0000 +0.000
12.7mm -.0010 -0.025 -.0030 -0.076
135°
Ø D
F
* Shk Ø = cut Ø thru 1”.
Ø’s over 1” shank is 1”
in Ø and 2.25” in length.
B
A
EDP #
Inch/
Cutting Ø
"D"
mm
Dec.
Equiv.
Wire
Inch Inch mm Inch mm Inch mm Inch mm
11501250 1/8 3.175 .1250 1-7/8 48. 7/8 22. .52 13. .0981 - .1290 2.492 - 3.277
11501378 3.5 .1378
11501406 9/64 3.571 .1406
11501562 5/32 3.967 .1562
11501575 4. .1575
11501719 11/64 4.366 .1719
11501772 4.5 .1772 2-3/16 56. 1-1/8 29. .70 18. .1591 - .1910 4.041 - 4.851
11501875 3/16 4.763 .1875
11501969 5. .1969
11502010 7 5.105 .2010
11502031 13/64 5.159 .2031
11502130 3 5.41 .2130
11502165 5.5 .2165
11502188 7/32 5.558 .2188
11502344 15/64 5.954 .2344
11502362 6. .2362
11502460 D 6.248 .2460
11502500 1/4 6.35 .2500
11502559 6.5 .2559
11502570 F 6.528 .2570
11502610 G 6.629 .2610
11502656 17/64 6.746 .2656 2-11/16 68. 1-1/2 38. .88 22. .2531 - .2840 6.429 - 7.214
11502720 I 6.909 .2720
11502756 7. .2756
11502812 9/32 7.142 .2812
11502953 7.5 .2953
11502969 19/64 7.541 .2969
11503125 5/16 7.938 .3125
11503150 8. .3150
11503160 O 8.026 .3160
11503281 21/64 8.334 .3281
11503320 Q 8.433 .3320
Overall Length
"A"
2-1/16 52. 1 25. .61 15.
2-3/8 60. 1-1/4
2-1/2
Flute Length
"B"
32.
64. 1-3/8 35.
2-13/16 71. 1-5/8 41.
3 76. 1-11/16 43.
Usable Flute at
Full Regrind
"F"
.72 18.
.83 21.
Grind Down Range
.1291 - .1590 3.279 - 4.039
.1911 - .2210
4.854 - 5.613
.2211 - .2530 5.616 - 6.426
1.0 25. .2841 - .3160 7.216 - 8.026
1.0 25. .3161 - .3470 8.029 - 8.814
34 © 2005 CJT Koolcarb. Inc.
Phone: 630-690-5933 800-323-2299 Fax: 630-690-6355
All rights reserved.