BORDO Counterbore Drill 180° Bright

  • Bright finish HSS-Co5 (Cobalt) for extreme tool life.
  • Use to enlarge the top of an existing hole to create a cylindrical-shaped opening with a flat bottom that acts as a seat for the head of a screw or wood plug.
  • Ideal for use with standard cap screws or socket head screws.

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Additional information

Size

6 x 3.4mm 180 Degree Counterbore Drill for M3 Screws, 8 x 4.5mm 180 Degree Counterbore Drill for M4 Screws, 10 x 5.5mm 180 Degree Counterbore Drill for M5 Screws, 11 x 6.6mm 180 Degree Counterbore Drill for M6 Screws, 15 x 9mm 180 Degree Counterbore Drill for M8 Screws, 18 x 11mm 180 Degree Counterbore Drill for M10 Screws, 20 x 14mm 180 Degree Counterbore Drill for M12 Screws