Irwin 4-12mm HSS Step Drill Bit

I/N: 0028726
$59.98
Price correct as at Tue 16 Oct 2018 9:31:33am
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Product Description

A step drill bit is a drill bit that has the tip ground down to a different diameter. The transition between this ground diameter and the original diameter is either straight, to form a counterbore, or angled, to form a countersink. The advantage to this style is that both diameters have the same flute characteristics, which keeps the bit from clogging when drilling in softer materials, such as aluminium.

  • Diameter: 4mm–12mm in 1mm increments
  • Step thickness: 5mm
  • Shank diameter: 6mm
  • Perfect all-round bit for most common drilling jobs

Product Details

Model Name
Step Drill
Model Number
11101ZR
Product Dimensions (mm)
W:12 H:12 L:40
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