This Screw Thread Micrometer should be used with optional, interchangeable, anvils/spindle-tips that allow you to measure a wide range of metric/unified and Whitworth screw-thread pitch diameters.
A metric (unified) 60º setting standard is included with all models except those measuring range from 0-25 mm.
Digital/Analog:
Analog
Inch-Metric:
Metric
Range:
225 – 250 mm
Graduation:
0,01 mm
Accuracy:
±7 µm
Spindle feed error:
3 µm
Measuring spindle:
With spindle lock, ø6,35 mm, spindle pitch 0,5 mm
Scale:
Thimble and sleeve satin chrome finish, ø18 mm
Measuring force:
5 – 10 N
Delivered:
Including box, setting standard for metric threads 60° (from 25 mm upward), key Interchangeable anvil/spindle tips not included