Lot · Carpentry, Woodworking
Vintage Irwin Collector Grade 13 Pc Set Auger Hand Drill Brace Bit
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Sat · Jul 18, 2026
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Condition
Used
Condition tiers
New
Used
Refurbished
Damaged
Unspecified
Ships from
ZIP 295**
fervin
1,649 ratings · 98.00% positive
Description
From the sellerIrwin didnot invent the solid‑center auger bit — that credit goes toGeorge Shetter of York, Pennsylvania, who patented the concept in 1829 and improved it in 1831. Thesolid‑center auger bit is a wood‑boring bit with a thick, continuous central shaft (“solid center”) that gives the bit greater strength, rigidity, and resistance to bending compared to hollow‑center or double‑twist augers.
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