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ITM Holemaker Straight Step Drill Bits

product-details -20%

ITM Holemaker Straight Step Drill Bits

$33.60 $42.00
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The Titanium Nitride coating significantly increases the tool life by providing the following benefits:

  • Increased surface hardness to 85HRC.
  • Ceramic surface, reducing friction by up to 30%.
  • Especially resistant to cold welding.
  • Suitable for cutting a wide range of materials

Variants

Code Product Name Specifications
SDST4-12MM HOLEMAKER STEP DRILL STRAIGHT FLUTE 4-12MM Sizes: 4, 5, 6, 7, 8, 9, 10, 11, 12mm
Step Length: 3.75mm
Overall Length: 65.5mm
Shank Diameter: 6mm
SDST4-20MM HOLEMAKER STEP DRILL STRAIGHT FLUTE 4-20MM Sizes: 4, 6, 8, 10, 12, 14, 16, 18, 20mm
Step Length: 4.0mm
Overall Length: 75.0mm
Shank Diameter: 8mm
SDST5-25MM HOLEMAKER STEP DRILL STRAIGHT FLUTE 5-25MM Sizes: 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25mm
Step Length: 4.0mm
Overall Length: 81.8mm
Shank Diameter: 10mm
SDST6-30MM HOLEMAKER STEP DRILL STRAIGHT FLUTE 6-30MM Sizes: 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30mm
Step Length: 3.75mm
Overall Length: 97.0mm
Shank Diameter: 12mm
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