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color selector button for selecting metal roofing colors

Step Bit

  • Double flute design assures penetration of soft and thin materials
  • Drill holes without burring or deforming stock
  • Perfect for use as a “hole-opening” reamer
  • Can be resharpened
Hole Diameter
SKU Minimum Maximum Increments
TOOUB3 1/4″ 3/4″ 1/16″