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