Drill bit key

Key for the tri-cone drill bit with milled-steel teeth. Re-painted from a light grey to black in 2018 by the metals and fabrication team.

Object Details

ID: ZBA7729.1
Type: Drill bit key
Display location: Not on display
Creator: Unknown
Date made: circa 1998
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 25 mm x 74 mm x 51 mm
Parts: Drill bit
  • Drill bit key (ZBA7729.1)