![](https://coimages.sciencemuseumgroup.org.uk/38/769/large_thumbnail_1970_0296__0002_.jpg)
Drillbit, treaded at one end from Osborn-Mushet Tools Ltd.
- Made:
- 1972
![Drillbit, treaded at one end from Osborn-Mushet Tools Ltd.](https://coimages.sciencemuseumgroup.org.uk/305/718/medium_smg00044417.jpg)
Drillbit, treaded at one end from Osborn-Mushet Tools Ltd., Sheffield, England, 1972. Has a 8 spoked bore at one end, with measurments written on the side, including "?mm X 4mm".
Drillbit, treaded at one end from Osborn-Mushet Tools Ltd., Sheffield, England, 1972. Has a 8 spoked bore at one end, with measurments written on the side, including "?mm X 4mm".