Disc Micrometers

Mechanical, Electronic, and Wireless Output versions available.

Rotating and Non-Rotating Spindle options.

Shop Disc Micrometers

These tools are used to measure the thickness of work sections such as ribs, lands, fins, cutting edges on form tools, and chordal thickness of gear teeth. Because of their large anvil and spindle faces, the 1" and 25mm sizes are also useful for measuring the thickness of sheet materials like paper, cardboard, rubber, and plastics.

256.1 Mechanical Disc Micrometers

Featuring a rigid one-piece frame of drop forged steel and one-piece spindle (the heart of our accuracy), the 256.1 Disc Micrometer is extremely hard and stable. With quick and easy adjustment, the  tool is accurate to ±.00015" or ± 0.003mm measuring over the whole surface and ±.0002" or  ±0.004mm measuring on the edges.

756.1 Electronic Disc Micrometers

The Starrett W756.1 Series Wireless Disc-Type Micrometer with Rotating Spindle with Output is a full-featured precision measuring tool built with customary Starrett quality and workmanship. With an accuracy of  0.00015"in measuring over the whole surface, Starrett electronic micrometers guarantee a precise measurement at every position each and every time. Available with built-in wireless.