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

DIMENSIONS

Micrometer Heads

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″