Fowler, 4-5” Inside Tubular Micrometer, 52-236-005-1

Fowler's 0—1" travel Tubular Inside Micrometers—with ranges from 2" through 12"—measure inside dimensions precisely and accurately. • Ø7mm Carbide faced measuring tips are spherical to make positive point contact against the inside wall surface • Anvil and spindle are hardened and precision ground with microlap finish on ends • Spindle thread hardened, ground & lapped • Accuracy: .00024" • Microfine graduations (.001") on a satin chrome finish permit easy reading • Positive locking nut on all models except #52-236-003-1 • Each micrometer can also be used as an adjustable linear standard bar within each range • 0—1" travel on all models • Quick, easy zero adjustment on the sleeve • Meets or exceeds Federal accuracy specs • Price includes a wrench and a case • It is recommended for optimal accuracy that the inside micrometer be calibrated by a gage blocks or ring gage