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Bits

1900–1969

SCHLAGRING No. 10 hand auger

Item passport

Dating
Working hypothesis: Germany, first half to middle of the 20th century (roughly 1900–1960s); unconfirmed.
Condition
Restored to working condition. Tested on a wooden board: according to the owner it drills quickly and cleanly; the hole diameter is 10 mm at entry and 10 mm at exit, matching the…

Dimensions

  • Length215 mm

All-metal hand auger for wood with an integral loop handle. The handle is a closed loop with a smooth ergonomic curve and a double coil / swelling where it meets the shank. The cutting part is screw-shaped with a pointed lead. "SCHLAGRING" and the number "10"…

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History

All-metal hand auger for wood with an integral loop handle. The handle is a closed loop with a smooth ergonomic curve and a double coil / swelling where it meets the shank. The cutting part is screw-shaped with a pointed lead. "SCHLAGRING" and the number "10" are readable on the shank. Length 215 mm, mass 120 g, nominal diameter 10 mm (confirmed by drilling). Metal, steel grade not established. Unlike the unmarked 210 mm auger (124 g) from the same purchase, the loop is smoothly profiled; the owner notes a more comfortable grip.

Dating. Working hypothesis: Germany, first half to middle of the 20th century (roughly 1900–1960s); unconfirmed.

Marks and stamps

  • unattributed

  • documented

Restoration

2026: careful cleaning with 0000 steel wool and WD-40, preserved with ISO VG 68 oil. No blackening, painting or artificial patination; the dark patina, surface relief and the marking are retained.

Sources

Research status

The inscription SCHLAGRING is treated as a brand / maker or trade name; the specific company is not documented, and a German-language name alone does not prove the country of manufacture. The number "10" is the nominal drilling size, confirmed by measuring both the entry and exit holes (10 mm each). How the parts are joined is not established without inspection; outwardly it looks all-metal. Confirmed: length, mass, mark, hole size, place and time of purchase, cleaning method, successful drilling, grip comfort. Assumed: date, country, legal ownership of the SCHLAGRING mark and market price. Dated catalogue analogues of German tools and actual sales data are needed to refine this. Bought at a flea market in Frankfurt am Main in late September 2026. Card dated October 2026.

Purchase and price

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