Mitutoyo-SERIES 151 – Medium-sized Standard Type with 8mm diameter spindle-Micrometer Heads

• Larger spindle for heavy-duty applications (normally ø6.35mm).

DIMENSIONS

SPECIFICATIONS

Metric

Order No.	Range	Accuracy	Stem dia.	Stem	Spindle end	Special features
151-224	0 – 25mm	±2µm	12mm	Plain	Flat (carbide tip)	—
151-223				W/ clamp nut
151-214**				Plain*
151-213**				W/ clamp nut*
151-222				Plain		W/ vernier (0.001mm)
151-221				W/ clamp nut
151-212**				Plain*
151-211**				W/ clamp nut*
151-227				Plain		w/o ratchet stop
151-228				W/ clamp nut
151-225				Plain*
151-226				W/ clamp nut*
151-256	0 – 50mm	±4µm		Plain		—
151-255				W/ clamp nut
151-260				Plain		w/o ratchet stop
151-259				W/ clamp nut

* with spindle lock    ** made-to-order models

Inch

Order No.	Range	Accuracy	Stem dia.	Stem	Spindle end	Special features
151-240	0 – .1″	±.0001″	.5″	Plain	Flat (carbide tip)	—
151-239				W/ clamp nut
151-238				Plain		W/ vernier (.0001″)
151-237				W/ clamp nut
151-241**				Plain*		w/o ratchet stop
151-242**				W/ clamp nut*
151-243**				Plain*		w/o ratchet stop (.0001″)
151-244**				W/ clamp nut*
151-272	0 – .2″	±.0002″		Plain		—
151-271				W/ clamp nut

* with spindle lock ** made-to-order models

Technical Data
Graduation: 0.01mm, 0.001mm, .001″ or .0001″
Spindle pitch: 0.5mm or .025″