SPI Disc Micrometers

Disc flanges on micrometer make it possible to get accurate measurements on areas not reachable with standard micrometers such as gear pitch, ribs, slot and groove distances.

Features:

• Painted frame with plastic heat shield
• Disc flange diameter: 3/4″
• Spindle diameter: 0.250″
• Graduation: 0.0001″
• Standards included above 0-1″
• Ratchet thimble
• Lever lock
• Short Form Certificate of Calibration included
• Furnished in fitted case