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3Pcs High-Speed Steel Step Drill Bit Set

Perfect Step Drill Bits suitable for drilling holes in various materials: within 3mm / 0.12 inch (Iron Plate, Copper Plate, Aluminum Plate); within 5mm/0.2 inch (Wood, PVC sheet, Insulation Boards). Not suitable for hard and brittle materials such as glass, tile, stainless steel, etc.

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Tinkersphere

TS3188

$13.99

Features:

  • 3 piece Step Drill Bit Set
  • Drill holes and deburr them at the same time
  • Drill any size from 3mm to 20mm
  • Includes:
    • 5 step drill bit: 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm)
    • 9 step drill bit: 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm)
    • 10 step drill bit: 3-12mm (3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm)
  • Sizes: 4-12mm, 4-20mm, and 3-12mm
  • Works with Plastic, iron, aluminum, sheet metal, wood, PVC and more!
  • Chuck size: 1/4" Hex shaft (standard for most power drills & drill presses)
  • Not suitable for glass, tile, stainless steel or other brittle materials.
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