STARRETT Internal Groove Micrometer / Model: 701A

Measures grooves for retaining rings and O rings, oil grooves, washer grooves, as well as bores and recesses. Depth of grooves up to 5/64'' can be measured with 701A; and 7/32'' with 701B. .500-1.500'' Range, .001'' Grad, Friction Thimble, Lock Screw.

Specifications

• Made in America: Yes
• Micrometer Type: Internal Groove Micrometer
• Range (in): .500 - 1.500''
• Graduations (in): .001''
• Accuracy (in): +/-.0002''

• Contacts have flush ends
• Satin chrome reading surface is glare free and resists rust
• Hardened and ground gaging contacts
• Smooth friction thimble
• Lock screw
• Gaging contacts are .030'' thick