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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 13.5cm is slightly tapered to fit in the chuck of drill. Some metal scarring on the end from the drill chuck.
- 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 13.5cm is slightly tapered to fit in the chuck of drill. Some metal scarring on the end from the drill chuck.
- History Of Use
- Drill bit used in percussive drill on the C.N.R.
- Material
- METAL-STEEL;
- Length
- 30.5
- Diameter
- Top: 3 Base: 2.5
- Circumference
- 9.5
- Units Of Measurement
- Centimeters
- Accession No.
- 1996.0004.0001
- Type of Record
- Museum Artifact
Less detail