Dormer Centre Drill


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Centre drill (combined drill and countersink) with 60° straight conical form, double ended and cylindrical body, size BS1 with 3/64″ drill diameter, a body diameter of 1/8″ and an overall length of 1.1/2″, according to BS 328 standard to produce form A centre holes, HSS and bright finish for machining free machining, plain carbon and alloy steel and grey cast-iron

Dormer Centre Drill Features:

  • Bright (uncoated)
  • High Speed Steel Tool Material
  • BS 328 – Drills and Reamers Standards
  • 1×D Usable Tool Depth to Diameter Ratio
  • 60° Countersink Centre Drill
  • Cylindrical Shank / Straight Shank

Additional information

Weight .05 kg

1.1/2", 1.3/4"


HSS ( High Speed Steel)


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