Tool Detail
Vintage Brown & Sharpe No. 605 Micrometer Depth Gage w/ Original Wooden Box

Vintage Brown & Sharpe No. 605 micrometer depth gage, manufactured in Providence, Rhode Island, USA. This is a classic machinist’s depth gauge designed for precise measurement of blind holes, slots, recesses, and similar features.
The tool has been carefully cleaned and serviced and operates smoothly through its full measuring range with no tight spots or backlash. Original wooden slide-top box included, retaining its period label.
This is a solid, honest example of an American-made precision instrument — suitable for shop use, collection, or display.
Specifications
- Maker: Brown & Sharpe Mfg. Co.
- Model: No. 605
- Type: Micrometer Depth Gage
- Graduation: 0.001”
- Base: Standard 605 base
- Range: Approx. 0–1” (via micrometer travel with adjustable rod)
- Country of Manufacture: USA
- Era: Early–mid 20th century (estimated)
Condition
Tool
- Fully functional
- Turns freely through full travel
- No binding or detectable backlash
- Original patina consistent with age
- Markings remain legible
- Threads smooth and lightly lubricated
Box
- Original wooden slide-lid case
- Label present with visible wear consistent with age
- Rails waxed for smoother operation
- Lid remains intentionally snug near full travel (typical of period cases)
No cracks or repairs to the box. No structural issues.
What’s Included
- Brown & Sharpe No. 605 micrometer depth gage
- Original Brown & Sharpe wooden storage box
Nothing else included.
Notes for Buyers
- This is a vintage precision tool, not a modern digital instrument
- Accuracy verified mechanically; no certification provided
- Ideal for machinists, tool collectors, or vintage shop displays
Please review all photos carefully — they are part of the description.