Truthread Thread Ring Gauge (GO) - UNF - Right Hand - 2A - 1x12 Drill Head The 1" bore and 28-tooth

The 1" bore and 28-tooth geometry offer a strong balance of rigidity and aggressiveness

versatile fit with a wide range of chucks and holders

Flute Count: 4-flute design to balance aggressive material removal with a smooth finish

27 threads per inch (27 TPI)

this GO gauge helps inspectors

Truthread Thread Ring Gauge (GO) - UNF - Right Hand - 2A - 1x12 Drill Head The 1" bore and 28-toothThe Truthread Ring Gauges GO UNF Right Hand 2A 1x12 are precision measuring tools designed to quickly and accurately verify the size of external threads on cylindrical parts with UNF 1x12 right hand threads. Built for manufacturers, machine shops, quality labs, and serious hobbyists who demand reliable, repeatable results, this GO gauge helps you confirm fit before assembly or production runs. Manufactured from high quality steel, this gauge is built