Drillbit, treaded at one end from Osborn-Mushet Tools Ltd.

Drillbit, treaded at one end from Osborn-Mushet Tools Ltd.

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Drillbit, treaded at one end from Osborn-Mushet Tools Ltd., Sheffield, England, 1972. Has a 6 spoked bore at one end, with measurments written on the side, including "?M BOI?"

Details

Category:
Metallurgy
Object Number:
1972-373/11
type:
drill bit