USE
● As a master ring gauge for “0” adjustment of measuring instruments such as bore gauge, inside micrometer, dial caliper, etc.
MATERIAL
● Alloy tool steel
FEATURES
● Provided with inspection report
Niigata Seiki
STEEL RING GAUGE
Master ring gauge for internal diameter measurement. A wide range of sizes are in stock while custom size ring gauge is also available upon request.
SUB-ZERO（ Cryogenic hardened）TREATMENT STABILIZATION TREATMENT LAPPED FINISH
