Did the job but I would say it goes from 6mm to 39 mm as I had a light bulb fitting that was 40mm and still have to use a file to make it fit through the freshly drilled hole. The light fitting was exaclty 40mm as I meansured it with my digital verier gauge.
Verified purchase: Yes | Condition: New
Didn't cut through 2 mm steel plate easyly and went blunt very quickly.
Verified purchase: Yes | Condition: New
Used on a metal plate with a hand drill no problem great job
Verified purchase: Yes | Condition: New
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