Dumont No. 5 Thread Grinding Attachment
Updated August 6, 2026
| Lot number | 37 |
| Estimate | 100.00 - 300.00 USD |
| Auction | Machinist Online Auction |
| Date | August 9, 2026 at 6:30 PM EDT |
| Auction house | C and C Auctioneers |
| Location | Wattsburg, Pennsylvania |
Dumont thread grinding attachment for the No. 5 grinder. Includes metal parts housed in a green metal box and an informational poster titled ‘Thread Grinding Simplified.’ Condition shows wear consistent with use and age. Box contains assorted com ponents.
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