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Robert Sorby 973 Thread & Sizing Gauge

Robert Sorby 973 Thread & Sizing Gauge

Thomas Flinn & Co

£51.36

Ideal for box-makers, this gauge takes all the guess-work out of fitting the major and minor diameters of pieces. With the gauge set at the unmarked anvil this creates a 1:1 correlation between the measuring faces and facilitates accurate push fits. The other three anvils are marked 10,16 and 20 which relates to the tip most commonly used by thread cutters. The gauge has a built-in compensation fa

Thomas Flinn & Co's own words, read from their page.

Buy from www.flinn-garlick-saws.co.ukwww.flinn-garlick-saws.co.uk is a UK retailer, not the maker. Price seen 2026-09-19. Not an affiliate link, we earn nothing from it.

Where this comes from

The part other shops don't tell you. Three separate questions, kept separate on purpose, each with its source.