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Drills / 404

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
  • 90° 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 40418750 40401 3/16 .1875 3/16 2 1 Uncoated Straight
.1875 40418750A 76307 3/16 .1875 3/16 2 1 ALtima® Straight
.1968 40419680 40405 5mm .1968 5mm 51mm 26mm Uncoated Straight
.1968 40419680A 76308 5mm .1968 5mm 51mm 26mm ALtima® Straight
.2362 40423620 40409 6mm .2362 6mm 51mm 26mm Uncoated Straight
.2362 40423620A 78053 6mm .2362 6mm 51mm 26mm ALtima® Straight
.2500 40425000 40413 1/4 .2500 1/4 2 1 Uncoated Straight
.2500 40425000A 10876 1/4 .2500 1/4 2 1 ALtima® Straight
.3125 40431250 40417 5/16 .3125 5/16 2-1/2 1 Uncoated Straight
.3125 40431250A 76309 5/16 .3125 5/16 2-1/2 1 ALtima® Straight
.3150 40431500 40421 8mm .3150 8mm 64mm 26mm Uncoated Straight
.3150 40431500A 76310 8mm .3150 8mm 64mm 26mm ALtima® Straight
.3750 40437500 40425 3/8 .3750 3/8 2-1/2 1 Uncoated Straight
.3750 40437500A 10877 3/8 .3750 3/8 2-1/2 1 ALtima® Straight
.3750 40437500T 78054 3/8 .3750 3/8 2-1/2 1 TiN Straight
.3750 40437500C 17343 3/8 .3750 3/8 2-1/2 1 TiCN Straight
.3937 40439370 40429 10mm .3937 10mm 70mm 30mm Uncoated Straight
.3937 40439370A 15268 10mm .3937 10mm 70mm 30mm ALtima® Straight
.4724 40447240 40433 12mm .4724 12mm 76mm 39.5mm Uncoated Straight
.5000 40450000 40437 1/2 .5000 1/2 3 1-9/16 Uncoated Straight
.5000 40450000A 40450 1/2 .5000 1/2 3 1-9/16 ALtima® Straight
.5000 40450000T 78055 1/2 .5000 1/2 3 1-9/16 TiN Straight