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> Starrett end measuring rods, 9, 10, & 11" 234B
Starrett end measuring rods, 9, 10, & 11" 234B
Starrett End Measuring Rods, 9, 10, & 11"
These rods or "standards" are for checking and setting micrometers of 2" capacity and larger, and are also used on machine tools for comparing gages, checking precision measuring tools, for measuring parallel surfaces, and many other types of work.
They are made of special tool steel in rod form with ends hardened and accurately lapped to a spherical radius.
Available plain or with insulated handles to minimize expansion by heat when held in the hand. 1-6" (25-150mm) sizes are 1/4" (6.3mm) diameter; 7-11" (175-275mm) sizes, 3/8" (9.5mm) diameter; 12-24" (300-600mm) sizes are 7/16" (11mm) diameter.
