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DRILL BIT
- Material
- METAL-STEEL;
- Description
- Large drill bit has twist extending the full length from one end to the other. The bottom 15.5cm of bit is smaller in circumference to fit the chuck of drill. Visible markings '2' on the end.
- Category
- TOOLS AND EQUIPMENT FOR MATERIALS
- Sub-Category
- METALWORKING TOOLS AND EQUIPMENT
- Description
- Large drill bit has twist extending the full length from one end to the other. The bottom 15.5cm of bit is smaller in circumference to fit the chuck of drill. Visible markings '2' on the end.
- History Of Use
- Drill bit used in percussive drill on the C.N.R.
- Material
- METAL-STEEL;
- Length
- 36.5
- Diameter
- Top: 5 Base: 3.5
- Circumference
- 14.5
- Units Of Measurement
- Centimeters
- Accession No.
- 1996.0006.0001
- Type of Record
- Museum Artifact
Less detail