Jeweller's Archimedean Drill
502421
- Central helical shaft with spring-loaded sliding collar
- Shaft rotates approximately 1.1/4 times per stroke
- Holds drill bits up to 1.0mm diameter
- View full description
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Archimedes would have been truly proud of this tool. The mechanism consists of a central helical shaft and a spring-loaded sliding collar. Moving the collar up and down causes the shaft to rotate approximately one and a quarter times. The drill will hold bits up to 1.0mm diameter in a collet at the head of the drill. At the other end is a swivelling finger rest. Small but effective and well made. Overall length 110mm.
Key Features
- Central helical shaft with spring-loaded sliding collar
- Shaft rotates approximately 1.1/4 times per stroke
- Holds drill bits up to 1.0mm diameter
- Collet chuck ensures secure grip of fine dill bits
- Swivelling finger rest for ease of use