JBO Thread Ring Gauge (GO) - UNF - Right Hand - 3A - 7/8 x 14 Die & Mould Collet Chucks 69 mm diameter with tight

69 mm diameter with tight tolerance control and a smooth surface finish

Hardened steel construction with durable grip: Built to resist wear and provide secure handling

Key benefits that matter in the workshop

Designed to fit standard toolholders and collets

84 mm diameter: Aligns with DIN 212 B standards for precise hole sizing and easy integration into standard tooling setups

JBO Thread Ring Gauge (GO) - UNF - Right Hand - 3A - 7/8 x 14 Die & Mould Collet Chucks 69 mm diameter with tightThe JBO Thread Ring Gauge (GO) UNF Right Hand 3A 7 8 x 14 is a precision inspection tool designed to verify external thread diameters with reliable GO checks. Made from hardened steel for lasting durability, it stands up to daily use in machining, assembly, and quality control environments. Hardened steel construction: Built to resist wear and corrosion, delivering long service life in busy workshops and reducing replacement costs. Precise GO NO GO