Twister® Drills - Series 403

Solid Carbide Twister® GP, NC Spotting Drill
Designed for accurate spotting on NC machines. Short lengths and no body clearance make this a very rigid tool. Easy to repoint - no web taper. Can be used at higher speeds and feeds, compatible with other carbide tooling.
  • 2 Flutes
  • Solid carbide
  • No margin
  • 3X+ Stub length
  • Uncoated
  • 120° Point
  • 21° Helix
  • Material Applications: Steels, Hardened Steels, Stainless Steel, Cast Iron, Special and High Temp Alloys
* This is a non-stock and non-returnable item
Tool EDP Diameter Diameter Dec Shank Diameter Oal Flute Length Available Price
* 40318750A 76305 3/16 .1875 3/16 2 1
40350000 40337 1/2 .5000 1/2 3 1-9/16
40319680 40305 5.00mm .1968 5.00 51 26.00
40325000 40313 1/4 .2500 1/4 2 1
* 40350000A 76306 1/2 .5000 1/2 3 1-9/16
* 40331250A 78050 5/16 .3125 5/16 2-1/2 1
40347240 40333 12.00mm .4724 12.00 76 39.50
40339370 40329 10.00mm .3937 10.00 70 30.00
40331250 40317 5/16 .3125 5/16 2-1/2 1
40318750 40301 3/16 .1875 3/16 2 1
40331500 40321 8.00mm .3150 8.00 64 26.00
40337500 40325 3/8 .3750 3/8 2-1/2 1
* 40337500A 78052 3/8 .3750 3/8 2-1/2 1
40323620 40309 6.00mm .2362 6.00 51 26.00