Specialty Micrometers Technical Information

Basics of...Specialty Micrometers

Many different types of specialty micrometers are available to measure difficult to reach configurations. While many times slip-on anvil adapters are available, a specialty micrometer designed for the purpose is the best tool for the job.

Point Micrometers: Pointed spindle and anvil for measuring the web thickness of drills, small grooves and other hard to reach dimensions. Available in steel or carbide 15° or 30° points.

Blade Micrometers: Typically used to measure groove diameters on shafts or other narrow recessed features. Available in steel or carbide blades of varying thickness.

Indicating Micrometers: Used as a Go/NoGo gage. The spindle is locked after setting and a button retracts the anvil for easy part insertion. Indicating hands on the dial allow the operator to easily check for Go/NoGo.

Disc Micrometers: Used to measure features along the length of a shaft or gear teeth requiring clearance from the micrometer frame and thimble. Available with rotating or non-rotating discs.

Spline Micrometers: Have a reduced diameter spindle and anvil to allow measurement of spline minor diameters, slots and keyways

Tubing Micrometers: Used to measure the wall thickness on tubing, pipe and other hard to reach places. Spherical or cylindrical anvils are available.

Screw Thread Micrometers: Have interchangeable anvils that allow it to measure the pitch diameter of a thread.

Ball (Spherical Face) Micrometers: Spherical anvil and spherical anvil/spindle micrometers are used to measure the thickness of curved parts such as rod or crank bearings and pipe wall thickness.

Multi-Anvil: Measures tube thickness, shoulder distances, rivet head height, etc. with interchangeable anvils (flat anvil, rod anvil, V-anvil). Supplied with flat and rod anvils.

Digit Micrometers: Have both an "odometer" style counter and standard thimble graduations. The micrometer may be graduated English or English and Metric.

Interchangeable Anvil Micrometers: Have an oversize frame and multiple anvils to allow a single micrometer to be used over a 6�? range. This reduces tool cost for infrequently measured ranges.

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