Carbide Tip Kooltwistâ Heavy Duty Stub Drill

 

295both.jpg (18513 bytes)

 

 Style 295 depth @ 4 x Ø
  • Submicron carbide tipped coolant fed construction provides maximum wear resistance when cutting titanium, aluminum casting, bronze, cast iron and powdered metal.
  • Stub length and 125° four facet point typically eliminate the need for spot drilling. Four facet point easily resharpened on standard equipment.
  • Body diameter reduced to eliminate galling.
  • Right hand spiral, right hand cut.
  • Heavy web slow spiral for maximum rigidity.
  • Reduced shank diameter, see below.
  • Request intermediate sizes from grind down range.
 
Diameter Tolerance
Nominal Size Cutting Æ Shank Æ
Inch mm Inch mm
All +.0000 +0.000 +.0000 +0.000
-.0010 -0.025 -.0010 -0.025
Reduced Shank Æ                      

 

 EDP
#		 Cutting Æ "D" Dec Equiv. Overall Length "A" Flute Length "B" Shank Diam. "C" Usable Flute at Full Regrind "F" Grind Down Range Min. Body Dia. Ineffective Flute Length
Inch mm Inch Inch mm Inch mm Inch mm Inch mm Inch mm Inch Inch mm
29502500 1/4 6.35 .2500 3-15/16 100 1-17/32 39 15/64   1 25 .2420-.2610 6.147-6.629 .234 .32 8
29502559   6.5 .2559 3-15/16 100 1-17/32 39   6. 1 25 .2420-.2610 6.147-6.629 .234 .32 8
29502656 17/64 6.746 .2656 4 102 1-19/32 40 1/4   1.1 29 .2700-.2953 6.858-7.501 .258 .34 9
29502756   7 .2756 4 102 1-19/32 40   6.5 1.1 29 .2700-.2953 6.858-7.501 .258 .34 9
29502812 9/32 7.142 .2812 4 102 1-19/32 40 17/64   1.1 29 .2700-.2953 6.858-7.501 .258 .34 9
29502953   7.5 .2953 4 102 1-19/32 40   7. 1.1 29 .2700-.2953 6.858-7.501 .258 .34 9
29502969 19/64 7.541 .2969 4-5/32 106 1-3/4 44 9/32   1.3 32 .2960-.3230 7.518-8.204 .287 .37 9
29503125 5/16 7.938 .3125 4-5/32 106 1-3/4 44 19/64   1.3 32 .2960-.3230 7.518-8.204 .287 .37 9
29503150   8 .3150 4-5/32 106 1-3/4 44   7.5 1.3 32 .2960-.3230 7.518-8.204 .287 .37 9
29503281 21/64 8.334 .3281 4-11/32 110 1-15/16 49 5/16   1.4 35 .3280-.3550 8.311-9.017 .317 .41 10
29503346   8.5 .3346 4-11/32 110 1-15/16 49   8. 1.4 35 .3280-.3550 8.311-9.017 .317 .41 10
29503438 11/32 8.733 .3438 4-11/32 110 1-15/16 49 21/64   1.4 35 .3280-.3550 8.311-9.017 .317 .41 10
29503543   9 .3543 4-11/32 110 1-15/16 49   8.5 1.4 35 .3280-.3550 8.311-9.017 .317 .41 10
29503594 23/64 9.129 .3594 4-17/32 115 2-1/8 54 11/32   1.5 38 .3551-.3850 9.020-9.779 .345 .44 11
29503740   9.5 .3740 4-17/32 115 2-1/8 54   9. 1.5 38 .3551-.3850 9.020-9.779 .345 .44 11
29503750 3/8 9.525 .3750 4-17/32 115 2-1/8 54 23/64   1.5 38 .3551-.3850 9.020-9.779 .345 .44 11
29503906 25/64 9.921 .3906 4-11/16 119 2-9/32 58 3/8   1.6 41 .3851-.4170 9.782-10.592 .376 .47 12
29503937   10 .3937 4-11/16 119 2-9/32 58   9.5 1.6 41 .3851-.4170 9.782-10.592 .376 .47 12
29504062 13/32 10.317 .4062 4-11/16 119 2-9/32 58 25/64   1.6 41 .3851-.4170 9.782-10.592 .376 .47 12
29504134   10.5 .4134 4-11/16 119 2-9/32 58   10. 1.6 41 .3851-.4170 9.782-10.592 .376 .47 12
29504219 27/64 10.716 .4219 4-29/32 125 2-1/2 64 13/32   1.8 44 .4171-.4430 10.594-11.252 .398 .50 13
29504331   11 .4331 4-29/32 125 2-1/2 64   10.5 1.8 44 .4171-.4430 10.594-11.252 .398 .50 13
29504375 7/16 11.113 .4375 4-29/32 125 2-1/2 64 27/64   1.8 44 .4171-.4430 10.594-11.252 .398 .50 13
29504528   11.5 .4528 5-1/16 129 2-21/32 67   11. 1.9 48 .4431-.4740 11.255-12.040 .422 .53 13
29504531 29/64 11.509 .4531 5-1/16 129 2-21/32 67 7/16   1.9 48 .4431-.4740 11.255-12.040 .422 .53 13
29504688 15/32 11.908 .4688 5-1/16 129 2-21/32 67 29/64   1.9 48 .4431-.4740 11.255-12.040 .422 .53 13
29504724   12 .4724 5-1/16 129 2-21/32 67   11.5 1.9 48 .4431-.4740 11.255-12.040 .422 .53 13
29504844 31/64 12.304 .4844 5-7/32 133 2-13/16 71 15/32   2 51 .4741-.5060 12.042-12.852 .454 .56 14
29504921   12.5 .4921 5-7/32 133 2-13/16 71   12. 2 51 .4741-.5060 12.042-12.852 .454 .56 14
29505000 1/2 12.7 .5000 5-7/32 133 2-13/16 71 31/64   2 51 .4741-.5060 12.042-12.852 .454 .56 14
29505118   13 .5118 5-13/32 137 3 76   12.5 2.1 54 .5061-.5360 12.855-13.614 .486 .58 15
29505156 33/64 13.096 .5156 5-13/32 137 3 76 1/2   2.1 54 .5061-.5360 12.855-13.614 .486 .58 15
29505312 17/32 13.492 .5312 5-13/32 137 3 76 33/64   2.1 54 .5061-.5360 12.855-13.614 .486 .58 15
29505315   13.5 .5315 5-13/32 137 3 76   13. 2.1 54 .5061-.5360 12.855-13.614 .486 .58 15
29505469 35/64 13.891 .5469 5-17/32 140 3-1/8 79 17/32   2.3 57 .5361-.5680 13.617-14.742 .516 .59 15
29505512   14 .5512 5-17/32 140 3-1/8 79   13.5 2.3 57 .5361-.5680 13.617-14.472 .516 .59 15
29505625 9/16 14.288 .5625 5-17/32 140 3-1/8 79 35/64   2.3 57 .5361-.5680 13.617-14.472 .516 .59 15
29505709   14.5 .5709 5-11/16 144 3-9/32 83   14. 2.4 60 .5681-.5990 14.430-15.215 .548 .63 16
29505781 37/64 14.684 .5781 5-11/16 144 3-9/32 83 9/16   2.4 60 .5681-.5990 14.430-15.215 .548 .63 16
29505906   15 .5906 5-11/16 144 3-9/32 83   14.5 2.4 60 .5681-.5990 14.430-15.215 .548 .63 16
29505938 19/32 15.083 .5938 5-11/16 144 3-9/32 83 37/64   2.4 60 .5681-.5990 14.430-15.215 .548 .63 16
29506094 39/64 15.479 .6094 5-27/32 148 3-7/16 87 19/32   2.5 64 .5991-.6310 15.217-16.027 .579 .66 17
29506102   15.5 .6102 5-27/32 148 3-7/16 87   15. 2.5 64 .5991-.6310 15.217-16.027 .579 .66 17
29506250 5/8 15.875 .6250 5-27/32 148 3-7/16 87 39/64   2.5 64 .5991-.6310 15.217-16.027 .579 .66 17
29506299   16 .6299 5-27/32 148 3-7/16 87   15.5 2.5 64 .5991-.6310 15.217-16.027 .579 .66 17
29506406 41/64 16.271 .6406 6-1/16 154 3-21/32 93 5/8   2.6 67 .6311-.6710 16.03-17.043 .611 .68 17
29506496   16.5 .6496 6-1/16 154 3-21/32 93   16. 2.6 67 .6311-.6710 16.03-17.043 .611 .68 17
29506562 21/32 16.667 .6562 6-1/16 154 3-21/32 93 41/64   2.6 67 .6311-.6710 16.03-17.043 .611 .68 17
29506693   17 .6693 6-1/16 154 3-21/32 93   16.5 2.6 67 .6311-.6710 16.03-17.043 .611 .68 17
29506719 43/64 17.066 .6719 6-7/32 158 3-13/16 97 21/32   2.8 70 .6711-.6930 17.046-17.602 .651 .69 17
29506875 11/16 17.463 .6875 6-7/32 158 3-13/16 97 43/64   2.8 70 .6711-.6930 17.046-17.602 .651 .69 17
29506890   17.5 .6890 6-7/32 158 3-13/16 97   17. 2.8 70 .6711-.6930 17.046-17.602 .651 .69 17
29507031 45/64 17.859 .7031 6-11/32 161 3-15/16 100 11/16   2.9 73 .6931-.7300 17.605-18.542 .673 .71 18
29507087   18 .7087 6-11/32 161 3-15/16 100   17.5 2.9 73 .6931-.7300 17.605-18.542 .673 .71 18
29507188 23/32 18.258 .7188 6-11/32 161 3-15/16 100 45/64   2.9 73 .6931-.7300 17.605-18.542 .673 .71 18
29507283   18.5 .7283 6-11/32 161 3-15/16 100   18. 2.9 73 .6931-.7300 17.605-18.542 .673 .71 18
29507344 47/64 18.654 .7344 6-17/32 166 4-1/8 105 23/32   3 76 .7301-.7560 18.545-19.202 .710 .75 18
29507480   19 .7480 6-17/32 166 4-1/8 105   18.5 3 76 .7301-.7560 18.545-19.202 .710 .75 18
29507500 3/4 19.05 .7500 6-17/32 166 4-1/8 105 47/64   3 76 .7301-.7560 18.545-19.202 .710 .75 18
29507656 49/64 19.466 .7656 6-25/32 172 4-9/32 109 3/4   3.1 79 .7561-.7890 19.205-20.041 .736 .78 19
29507677   19.5 .7677 6-25/32 172 4-9/32 109   19. 3.1 79 .7561-.7890 19.205-20.041 .736 .78 19
29507812 25/32 19.842 .7812 6-25/32 172 4-9/32 109 49/64   3.1 79 .7561-.7890 19.205-20.041 .736 .78 19
29507874   20 .7874 6-25/32 172 4-9/32 109   19.5 3.1 79 .7561-.7890 19.205-20.041 .736 .78 19
29507969 51/64 20.241 .7969 6-15/16 176 4-7/16 113 25/32   3.3 83 .7891-.8180 20.043-20.777 .769 .81 20
29508071   20.5 .8071 6-15/16 176 4-7/16 113   20. 3.3 83 .7891-.8180 20.043-20.777 .769 .81 20
29508125 13/16 20.638 .8125 6-15/16 176 4-7/16 113 51/64   3.3 83 .7891-.8180 20.043-20.777 .769 .81 20
29508268   21 .8268 7-3/32 180 4-19/32 117   20.5 3.4 86 .8181-.8590 20.78-21.819 .798 .84 21
29508281 53/64 21.034 .8281 7-3/32 180 4-19/32 117 13/16   3.4 86 .8181-.8590 20.78-21.819 .798 .84 21
29508438 27/32 21.433 .8438 7-3/32 180 4-19/32 117 53/64   3.4 86 .8181-.8590 20.78-21.819 .798 .84 21
29508465   21.5 .8465 7-3/32 180 4-19/32 117   21. 3.4 86 .8181-.8590 20.78-21.819 .798 .84 21
29508594 55/64 21.829 .8594 7-3/16 183 4-11/16 119 27/32   3.5 89 .8591-.8810 21.821-22.377 .839 .87 23
29508661   22 .8661 7-3/16 183 4-11/16 119   21.5 3.5 89 .8591-.8810 21.821-22.377 .839 .87 23
29508750 7/8 22.225 .8750 7-3/16 183 4-11/16 119 55/64   3.5 89 .8591-.8810 21.821-22.377 .839 .87 23
29508858   22.5 .8858 7-3/8 187 4-7/8 124   22. 3.6 92 .8811-.9190 22.38-23.343 .861 .87 22
29508906 57/64 22.621 .8906 7-3/8 187 4-7/8 124 7/8   3.6 92 .8811-.9190 22.38-23.343 .861 .87 22
29509055   23 .9055 7-3/8 187 4-7/8 124   22.5 3.6 92 .8811-.9190 22.38-23.343 .861 .87 22
29509062 29/32 23.017 .9062 7-3/8 187 4-7/8 124 57/64   3.6 92 .8811-.9190 22.38-23.343 .861 .87 22
29509219 59/64 23.416 .9219 7-17/32 191 5-1/32 128 29/32   3.8 95 .9191-.9420 23.345-23.927 .899 .89 21
29509252   23.5 .9252 7-17/32 191 5-1/32 128   23. 3.8 95 .9191-.9420 23.345-23.927 .899 .89 21
29509375 15/16 23.813 .9375 7-17/32 191 5-1/32 128 59/64   3.8 95 .9191-.9420 23.345-23.927 .899 .89 21
29509449   24 .9449 7-11/16 195 5-3/16 132   23.5 3.9 98 .9421-.9830 23.929-24.968 .922 .92 22
29509531 61/64 24.209 .9531 7-11/16 195 5-3/16 132 15/16   3.9 98 .9421-.9830 23.929-24.968 .922 .92 22
29509646   24.5 .9646 7-11/16 195 5-3/16 132   24. 3.9 98 .9421-.9830 23.929-24.968 .922 .92 22
29509688 31/32 25.608 .9688 7-11/16 195 5-3/16 132 61/64   3.9 98 .9421-.9830 23.929-24.968 .922 .92 22
29509843   25 .9843 7-13/16 198 5-5/16 135   24.5 4 102 .9831-1.0060 24.971-25.552 .963 .95 23
29509844 63/64 25.004 .9844 7-13/16 198 5-5/16 135 31/32   4 102 .9831-1.0060 24.971-25.552 .963 .95 23
29510000 1 25.4 1.0000 7-13/16 198 5-5/16 135 63/64   4 102 .9831-1.0060 24.971-25.552 .963 .95 23
29510236   26 1.0236 8-3/16 208 5-11/16 144   25.5 4.3 108 1.0061-1.1320 25.555-28.753 .986 .94 22
29510312 1-1/32 26.192 1.0312 8-3/16 208 5-11/16 144 1   4.3 108 1.0061-1.1320 25.555-28.753 .986 .94 22
29510625 1-1/16 26.988 1.0625 8-3/16 208 5-11/16 144 1   4.3 108 1.0061-1.1320 25.555-28.753 .986 .94 22
29510938 1-3/32 27.783 1.0938 8-3/16 208 5-11/16 144 1   4.3 108 1.0061-1.1320 25.555-28.753 .986 .94 22
29511250 1-1/8 28.575 1.1250 8-3/16 208 5-11/16 144 1   4.3 108 1.0061-1.1320 25.555-28.753 .986 .94 22

 

 

 
INDEX

Last Updated on 03/21/02
By Bob Novak Media Development
Copyright Ó1999 CJT KOOLCARB Inc.