UNC Class 2a
Screw Ring Gauges – UNC Class 2a. Made from the finest quality steel and are thoroughly hardened, stabilised and thread ground under strict quality control procedures ensuring a high quality product for optimum wear life

Screw Ring Gauges – UNC Class 2a. Made from the finest quality steel and are thoroughly hardened, stabilised and thread ground under strict quality control procedures ensuring a high quality product for optimum wear life