Unibit Metric Self-Starting Step Drills

Unibit Metric Self-Starting Step Drills

Brand:   IRWIN
ID:
98944
callling
Current Stock:

IRWIN Tools

Unibit Metric Self-Starting Step Drills


HSS - Multiple Hole Sizes


Features:

  • UNIBIT Step Drills have an exclusive single radial concave flute. Allows the drilling of perfectly round holes in thin materials quickly and with less effort.
  • Each bit is constructed of industrial grade high speed molybdenum steel, and is heat treated to a hardness of between 61 - 63 RC. This assures maximum strength and long life.
  • Use for steel, copper, brass, aluminum and other thin materials
  • Also ideal for drilling through wood, composition board, and even plexiglass and plastics which often crack with standard twist drills.
  • Handle thicker materials by drilling from both sides of work surface
  • Use for reaming, deburring and cutting through soft wood or plasterboard

Warning Icon

WARNING: This Product Can Expose You To Materials And/Or Chemicals Which Are Known To The State Of California To Cause Cancer And/Or Reproductive Harm.

Item Number DescriptionNo. of Hole SizeShank DiaSize Range MinSize Range MaxStep Thickness Price Quantity
81-785-8 Metric Self-Starting Step Drill 9 6.5 mm 4 mm 12 mm 5 mm $ 30.52
81-788-2 Metric Self-Starting Step Drill 5 6.5 mm 4 mm 12 mm 11 mm $ 30.52
81-787-4 Metric Self-Starting Step Drill 7 10 mm 6 mm 18 mm 5 mm $ 58.97
81-786-6 Metric Self-Starting Step Drill 10 10 mm 4 mm 22 mm 5 mm $ 66.30
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