Description of Fowler Micrometer 52 240 005 1 Measuring Graduation
Micrometer Screw Gauge: With flat anvil/spindle pair for general purpose measuring; microfine graduations and carbide-tipped measuring faces; 0.0001" graduation and ± 0.00025" accuracy for precise readings. Accurate Measurements: Anvil and spindle hardened and precision-ground with microlap finish on tips; 0.256" diameter of measuring faces, 0.00003" flatness, and 0.00012" parallelism on 4-5" micrometers for accurate measurements. Easy to Use: Quick, easy zero adjustment on the sleeve and positive lever locking clamp; Ratchet stop applies constant force for repeatability between users. Satin Chrome Finish: Vernier scale with hammertone blue baked-enamel frame with heat-insulated frames; the finishing on the thimble and sleeve helps reduce rust and glare, while the lapped spindle thread provides smooth movement, extending product life. Set Includes: An outside micrometer with a vernier scale of 0.0001", a wrench, and a fitted case.