Starrett No. 436 Micrometer Value Guide

The Starrett No. 436 0-1 inch outside micrometer is a cornerstone of American industrial history, produced by the L.S. Starrett Company in Athol, Massachusetts. It is highly collectible due to its reputation for extreme accuracy and the legacy of founder Laroy S. Starrett's innovative tool designs.

What affects the value of Starrett No. 436 Micrometer?

• Mechanical condition, specifically the smoothness of the spindle movement and the lack of play in the threads.
• The presence of the original wooden or fitted protective case, which can significantly bolster the $75-$85 price range.
• Overall cosmetic state, including the preservation of the black frame finish and lack of pitting on the polished steel surfaces.
• Inclusion of the original adjustment wrench or documentation from the 1940-1970 era.

How to Identify Starrett No. 436 Micrometer?

• Check for the 'L.S. Starrett Co.' branding and 'No. 436' model number stamped clearly on the frame.
• Verify the presence of the classic black wrinkle-finish cast iron frame characteristic of mid-century production.
• Examine the thimble and sleeve for crisp, engraved graduations rather than modern laser-etched markings.
• Confirm the tool measures a 0-1 inch range, which is the most common and sought-after size for this specific model.

History of Starrett No. 436 Micrometer

The L.S. Starrett Company, founded in 1880 in Athol, Massachusetts, has a rich history of producing high-quality precision tools. Laroy S. Starrett, the founder, was an innovator with numerous patents, and his commitment to accuracy and craftsmanship quickly established Starrett as a leading name in the industry. The No. 436 micrometer, a common and reliable model, represents the company's dedication to providing durable and accurate tools that have been instrumental in various industrial and mechanical fields for decades.