Description
The Insize 4121 Thread Ring gauges for gauging outside thread, to determine if the thread is within the upper/lower limits of the components tolerance. The size & form can be determined by using go and no go rings. Made from hardened alloy steel for longer tool life and durability from machine shop wear.
- Go and No-Go are supplied separately.
- Standard ANSI/ASME B1.2
- Class 2A tolerance.
- Approximate usage 2000 times
