Carbide Tip Koolcarbâ Jobber Length Drill

 

171both.jpg (17334 bytes)

Style 171

 depth @ 5.5 to 8 x Ø
 
  • Coolant feeding carbide tip Koolcarb® construction creates straighter holes and smoother finish.
  • 125° four facet web thinned point starts best into a larger point angle. Not intended for interrupted cut drilling.
  • Submicron carbide tip yields exceptional tool life in tool steels, cast and ductile irons, bronze, aluminum castings and other abrasive materials.
  • High speed "milled" body runs 2 to 4 times gundrill feeds on conventional equipment.
  • Longer carbide yields increased regrinds.
  • Straight flute, right hand cut.
  • Specials available to 1.535" (39.0 mm) Ø. 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

Shk Æ = Cut Æ                  

 

EDP
#		 Cutting Æ "D" Dec Equiv. Overall Length "A" Flute Length "B" Usable Flute at Full Regrind "F" Grind Down Range Ineffective Flute Length
Inch mm Inch Inch mm Inch mm Inch mm Inch mm Inch mm
17101875 3/16 4.763 .1875 4 102 2 51 1.3 33 .1860-.1970 4.724-5.004 .41 10
17101969   5. .1969 4 102 2 51 1.3 33 .1860-.1970 4.724-5.004 .41 10
17102165   5.5 .2165 4-1/4 108 2-1/4 57 1.5 38 .2110-.2280 5.359-5.791 .46 12
17102188 7/32 5.558 .2188 4-1/4 108 2-1/4 57 1.5 38 .2110-.2280 5.359-5.791 .46 12
17102344 15/64 5.954 .2344 4-29/32 125 2-1/2 64 1.7 44 .2344-.2530 5.954-6.426 .48 12
17102362   6. .2362 4-29/32 125 2-1/2 64 1.7 44 .2344-.2530 5.954-6.426 .48 12
17102500 1/4 6.35 .2500 4-29/32 125 2-1/2 64 1.7 44 .2344-.2530 5.954-6.426 .48 12
17102559   6.5 .2559 4-29/32 125 2-1/2 64 1.7 44 .2344-.2530 5.954-6.426 .48 12
17102656 17/64 6.746 .2656 5-5/32 131 2-3/4 70 1.9 47 .2640-.2840 6.706-7.214 .51 13
17102756   7. .2756 5-5/32 131 2-3/4 70 1.9 47 .2640-.2840 6.706-7.214 .51 13
17102812 9/32 7.142 .2812 5-5/32 131 2-3/4 70 1.9 47 .2640-.2840 6.706-7.214 .51 13
17102953   7.5 .2953 5-19/32 142 3-3/16 81 2.3 58 .2950-.3160 7.493-8.026 .53 13
17102969 19/64 7.541 .2969 5-19/32 142 3-3/16 81 2.3 58 .2950-.3160 7.493-8.026 .53 13
17103125 5/16 7.938 .3125 5-19/32 142 3-3/16 81 2.3 58 .2950-.3160 7.493-8.026 .53 13
17103150   8. .3150 5-19/32 142 3-3/16 81 2.3 58 .2950-.3160 7.493-8.026 .53 13
17103281 21/64 8.334 .3281 5-27/32 148 3-7/16 87 2.5 64 .3260-.3460 8.28-8.788 .55 14
17103346   8.5 .3346 5-27/32 148 3-7/16 87 2.5 64 .3260-.3460 8.28-8.788 .55 14
17103438 11/32 8.733 .3438 5-27/32 148 3-7/16 87 2.5 64 .3260-.3460 8.28-8.788 .55 14
17103543   9. .3543 6-1/32 154 3-5/8 92 2.7 69 .3540-.3770 8.992-9.576 .56 14
17103594 23/64 9.129 .3594 6-1/32 154 3-5/8 92 2.7 69 .3540-.3770 8.992-9.576 .56 14
17103740   9.5 .3740 6-1/32 154 3-5/8 92 2.7 69 .3540-.3770 8.992-9.576 .56 14
17103750 3/8 9.525 .3750 6-1/32 154 3-5/8 92 2.7 69 .3540-.3770 8.992-9.576 .56 14
17103906 25/64 9.921 .3906 6-9/32 159 3-7/8 98 2.9 73 .3850-.4080 9.779-10.363 .61 15
17103937   10. .3937 6-9/32 159 3-7/8 98 2.9 73 .3850-.4080 9.779-10.363 .61 15
17104062 13/32 10.317 .4062 6-9/32 159 3-7/8 98 2.9 73 .3850-.4080 9.779-10.363 .61 15
17104134   10.5 .4134 6-15/32 164 4-1/16 103 3 76 .4100-.4390 10.414-11.151 .61 16
17104219 27/64 10.716 .4219 6-15/32 164 4-1/16 103 3 76 .4100-.4390 10.414-11.151 .61 16
17104331   11. .4331 6-15/32 164 4-1/16 103 3 76 .4100-.4390 10.414-11.151 .61 16
17104375 7/16 11.113 .4375 6-15/32 164 4-1/16 103 3 76 .4100-.4390 10.414-11.151 .61 16
17104528   11.5 .4528 6-23/32 171 4-5/16 109 3.2 81 .4391-.4710 11.153-11.963 .63 16
17104531 29/64 11.509 .4531 6-23/32 171 4-5/16 109 3.2 81 .4391-.4710 11.153-11.963 .63 16
17104688 15/32 11.908 .4688 6-23/32 171 4-5/16 109 3.2 81 .4391-.4710 11.153-11.963 .63 16
17104724   12. .4724 6-23/32 171 4-5/16 109 3.2 81 .4391-.4710 11.153-11.963 .63 16
17104844 31/64 12.304 .4844 6-29/32 175 4-1/2 114 3.3 84 .4711-.5030 11.966-12.776 .65 17
17104921   12.5 .4921 6-29/32 175 4-1/2 114 3.3 84 .4711-.5030 11.966-12.776 .65 17
17105000 1/2 12.7 .5000 6-29/32 175 4-1/2 114 3.3 84 .4711-.5030 11.966-12.776 .65 17
17105118   13. .5118 7-7/32 183 4-13/16 122 3.6 91 .5031-.5330 12.779-13.538 .69 18
17105312 17/32 13.492 .5312 7-7/32 183 4-13/16 122 3.6 91 .5031-.5330 12.779-13.538 .69 18
17105315   13.5 .5315 7-7/32 183 4-13/16 122 3.6 91 .5031-.5330 12.779-13.538 .69 18
17105512   14. .5512 7-7/32 183 4-13/16 122 3.5 90 .5331-.5650 13.541-14.351 .68 17
17105625 9/16 14.288 .5625 7-7/32 183 4-13/16 122 3.5 90 .5331-.5650 13.541-14.351 .68 17
17105709   14.5 .5709 7-19/32 193 5-3/16 131 3.9 99 .5651-.5950 14.354-15.113 .68 17
17105906   15. .5906 7-19/32 193 5-3/16 131 3.9 99 .5651-.5950 14.354-15.113 .68 17
17105938 19/32 15.083 .5938 7-19/32 193 5-3/16 131 3.9 99 .5651-.5950 14.354-15.113 .68 17
17106102   15.5 .6102 7-19/32 193 5-3/16 131 3.9 99 .5951-.6270 15.116-15.926 .72 18
17106250 5/8 15.875 .6250 7-19/32 193 5-3/16 131 3.9 99 .5951-.6270 15.116-15.926 .72 18
17106299   16. .6299 7-19/32 193 5-3/16 131 3.8 96 .6271-.6570 15.928-16.688 .75 19
17106406 41/64 16.271 .6406 7-19/32 193 5-3/16 131 3.8 96 .6271-.6570 15.928-16.688 .75 19
17106496   16.5 .6496 7-19/32 193 5-3/16 131 3.8 96 .6271-.6570 15.928-16.688 .75 19
17106562 21/32 16.667 .6562 7-19/32 193 5-3/16 131 3.8 96 .6271-.6570 15.928-16.688 .75 19
17106693   17. .6693 8-1/32 204 5-5/8 143 4.2 106 .6571-.6900 16.69-17.526 .79 20
17106719 43/64 17.066 .6719 8-1/32 204 5-5/8 143 4.2 106 .6571-.6900 16.69-17.526 .79 20
17106875 11/16 17.462 .6875 8-1/32 204 5-5/8 143 4.2 106 .6571-.6900 16.69-17.526 .79 20
17106890   17.5 .6890 8-1/32 204 5-5/8 143 4.2 106 .6571-.6900 16.69-17.526 .79 20
17107031 45/64 17.859 .7031 8-1/32 204 5-5/8 143 4.2 106 .6901-.7220 17.529-18.339 .81 21
17107087   18. .7087 8-1/32 204 5-5/8 143 4.2 106 .6901-.7220 17.529-18.339 .81 21
17107188 23/32 18.258 .7188 8-1/32 204 5-5/8 143 4.2 106 .6901-.7220 17.529-18.339 .81 21
17107283   18.5 .7283 8-15/32 215 6-1/16 154 4.6 115 .7221-.7530 18.341-19.126 .83 21
17107344 47/64 18.654 .7344 8-15/32 215 6-1/16 154 4.6 115 .7221-.7530 18.341-19.126 .83 21
17107480   19. .7480 8-15/32 215 6-1/16 154 4.6 115 .7221-.7530 18.341-19.126 .83 21
17107500 3/4 19.05 .7500 8-15/32 215 6-1/16 154 4.6 115 .7221-.7530 18.341-19.126 .83 21
17107677   19.5 .7677 8-9/16 217 6-1/16 154 4.5 114 .7531-.7840 19.129-19.914 .86 22
17107812 25/32 19.842 .7812 8-9/16 217 6-1/16 154 4.5 114 .7531-.7840 19.129-19.914 .86 22
17107874   20. .7874 8-9/16 217 6-1/16 154 4.4 112 .7841-.8160 19.916-20.726 .85 22
17108071   20.5 .8071 8-9/16 217 6-1/16 154 4.4 112 .7841-.8160