JBO Thread Ring Gauge (GO) - UNF - Right Hand - 3A - 1 1/4 x 12 M&D 004 mm for consistent hole

004 mm for consistent hole size and reliable interchangeability in production workflows

Shank: Straight shank designed for easy clamping in standard toolholding systems

Toolex Reamer - Straight Shank - Spiral Flute - HSS-E - 1

so you can rely on consistent performance pass after pass

Ideal for deep groove machining and complex mold features

JBO Thread Ring Gauge (GO) - UNF - Right Hand - 3A - 1 1/4 x 12 M&D 004 mm for consistent holeThe JBO Thread Ring Gauge (GO) UNF Right Hand 3A 1 1 4 x 12 is a precision tool designed to verify external UNF threads. Sized for 1 1 4 x 12 righthand threads at class 3A, it helps machinists, inspectors, and shop teams quickly confirm that parts will screw together correctly. Crafted from hardened steel, this GO gauge delivers durable, wearresistant performance for repeated use in demanding environments. Its straightforward go no go design supports