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Drills / 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, coating available upon request
  • 120° Point
  • 21° Helix

Product Range

Tool No. EDP Diameter (D/D1) Diameter Dec Shank Diameter (D2) Overall Length (L1) Flute Length (L2) Coating Shank Type
.1875 40318750 40301 3/16 .1875 3/16 2 1 Uncoated Straight
.1875 40318750A 76305 3/16 .1875 3/16 2 1 ALtima® Straight
.1968 40319680 40305 5mm .1968 5mm 51mm 26mm Uncoated Straight
.2362 40323620 40309 6mm .2362 6mm 51mm 26mm Uncoated Straight
.2500 40325000 40313 Uncoated Straight
.3125 40331250 40317 5/16 .3125 5/16 2-1/2 1 Uncoated Straight
.3125 40331250A 78050 5/16 .3125 5/16 2-1/2 1 ALtima® Straight
.3150 40331500 40321 8mm .3150 8mm 64mm 26mm Uncoated Straight
.3750 40337500 40325 Uncoated Straight
.3750 40337500A 78052 3/8 .3750 3/8 2-1/2 1 ALtima® Straight
.3937 40339370 40329 10mm .3937 10mm 70mm 30mm Uncoated Straight
.4724 40347240 40333 12mm .4724 12mm 76mm 39.5mm Uncoated Straight
.5000 40350000 40337 1/2 .5000 1/2 3 1-9/16 Uncoated Straight
.5000 40350000A 76306 1/2 .5000 1/2 3 1-9/16 ALtima® Straight