HSS drill-bit, to fit oblong jaw chuck
- PART OF:
- Four High Speed Alloy Steel
- Made:
- 1960 in Attercliffe and Tinsely
High Speed Alloy Steel (HSS) Drill-bit, to fit oblong jaw chuck, by Edgar Allen and Co. Ltd., Attercliffe, Sheffield and Tinsley, Sheffield, Yorkshire, England, 1960
Details
- Category:
- Metallurgy
- Object Number:
- 1960-199 Pt1
- Materials:
- steel (metal)
- credit:
- British Iron and Steel Federation