9/16-20 RH UN Thread Gages Style:Ring anvils are supplied as modular

anvils are supplied as modular kits

Go/NoGo functions with color indication

and special long & large gages

Optional ISO 17025 certificate available

9/16-20 RH UN Thread Gages Style:Ring anvils are supplied as modularPlease choose your Thread Gage Variant Carefully Descriptions are below. Feel free to reach out with questions! Vermont Gage's thread gaging products inspect the pitch diameter and the functional thread for both internal and external threaded products. All Thread Gages are made to class X tolerances in the USA! All stocked gages are produced to class X tolerances for ASME B1. 2 (UN), ASME B18. 29. 1 (STI), and ASME B1. 16M (Metric) All gages are