![](https://coimages.sciencemuseumgroup.org.uk/711/82/large_thumbnail_2023_0467__0010_.jpg)
HSS Lathe / Milling machine component, stamped with: STAG EXTRA
- PART OF:
- Four High Speed Alloy Steel
- Made:
- 1960 in Attercliffe and Tinsely
![Twist drill (Edgar Allen and Co)](https://coimages.sciencemuseumgroup.org.uk/409/88/medium_smg00087645.jpg)
High Speed Alloy Steel (HSS) Lathe / Milling machine component, for steel tool manufacture, by Edgar Allen and Co. Ltd., Attercliffe, Sheffield and Tinsley, Sheffield, Yorkshire, England, 1960
Details
- Category:
- Metallurgy
- Object Number:
- 1960-199 Pt4
- Materials:
- steel (metal)
- type:
- tool
- credit:
- British Iron and Steel Federation