HSS Step Drill Straight Flute
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HSS Step Drill Straight Flute

1, HSS M2 material fully ground for precision drilling performance.
2, One piece realize various diamter drilling work purposes on highest efficiency.
3, Tri-flat shank to increase that torque making drilling work more stable.
4, Durable drilling with professional premium performance.
5, Precision drilling in cable ducts and for switch cabinets.
6, Max. cutting depth of each diameter up to 5mm.

  • 925 Series
  • HTT, OEM job
  • MPP+ 
  • To drill holes in various steel, metal, iron, alloyed metal, unalloyed metal, non-ferrous metal, etc.
  • 925
  • 4mm to 60mm
  • Tri-flat
  • Metal work 
Quantity:

Size table:


Item NumberDiameter CombinationStep QTY. Overall Length(mm)Shank Diameter(mm)
925.12304120514,6,8,10,1256510
925.12304120914,5,6,7,8,9,10,11,1296510
925.12304200914,6,8,10,12,14,16,18,2097510
925.12304221014,6,8,10,12,14,16,18,20,22108010
925.12304301414,6,8,10,12,14,16,18,20,22,24,26,28,301410013
925.12304321514,6,8,10,12,14,16,18,20,22,24,26,28,30,321510513
925.12304391414,6,8,10,12,15,18,21,24,27,30,33,36,391410713
925.12305351315,7.5,10,13,16,19,21,23,26,29,31,33,351310013
925.12305381415,7.5,10,13,16,19,21,23,26,29,31,33,35,38149513
925.12306180716,8,10,12,14,16,1876710
925.12306200816,8,10,12,14,16,18,2087110
925.12306241016,8,10,12,14,16,18,20,22,24108010
925.12306250716,9,12,16,20,22.5,2576512
925.12306301316,8,10,12,14,16,18,20,22,24,26,28,30139813
925.12306301016,9,12.7,15.2,18.6,20.4,22.5,25.5,28.3,30.51010013
925.12306320816,10,14,18,22,26,29,3287513
925.12306320916,9,12,16,20,22.5,25,28.5,3297613
925.12306371216,9,12.5,15.2,18.6,20.4,22.5,26,28.3,30.5,34,371210013
925.12306381216,9,13,16,19,21,23,26,29,32,35,381210013
925.12306401616,11,17,23,29,30,31,32,33,34,35,36,37,38,39,401610513
925.12309361019,12,15,18,21,24,27,30,33,36108613
925.123102011110,11,12,13,14,15,16,17,18,19,20118810
925.123122009112,13,14,15,16,17,18,19,2097610
925.123133810113,16,19,21,23,26,29,32,35,381011213
925.123142406114,16,18,20,22,2466713
925.123142507114,16,18,20,22,24,2577113
925.123203011120,21,22,23,24,25,26,27,28,29,30118813
925.123203408120,22,24,26,28,30,32,3487513
925.123304011130,31,32,33,34,35,36,37,38,39,40119813
925.123405011140,41,42,43,44,45,46,47,48,49,501110713
925.1235060111

50,51,52,53,54,55,56,57,58,59,60

1112013

*The other size combinations can be upon customers' special requests. 


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