Setting rings, ideal for quick and accurate setting of bore gauges, internal micrometers etc.
•For zero setting of inside micrometers, three point internal micrometers and bore gauges.
•All ring gages are lapped to size and polished.
•Hardness HRC 60 ±2.
•Supplied with Inspection Certificate.
• Full range of sizes from 1.5mm - 300mm available on request. e.g. 16.085mm