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 and 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.
