accurate surface roughness measurements directly on the shop floor or in the inspection area
and quality inspection labs working with recessed bores
Insize 3128 digital wide range three points internal micrometer in the selected range
satin-chrome micrometer head Rod Design Interchangeable
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Starrett 486P-8 Blade Type Micrometer 7-8" Fixture Kit accurate surface roughness measurements directlyStarrett 486P 8 Blade Type Micrometer 7 8" The Starrett 486P 8 Blade Type Micrometer (78") is engineered for precision measurement of narrow grooves, recesses, keyways, and other hard to reach features where standard micrometers cannot fit. Designed with slender, hardened steel blades and a rigid, stable frame, this micrometer delivers consistent accuracy across its 78" measuring range. Ideal for machinists, toolmakers, and inspection professionals,