JBO Thread Ring Gauge (GO) - UNF - Right Hand - 3A - No. 12 x 28 Hex Key Drill Chuck Precise Metric Fine GO Gauge

Precise Metric Fine GO Gauge for M55 x 2 (6e): Enables quick pass/fail checks to exact metric fine-thread standards

10 micron run-out for outstanding concentricity and improved surface finish

this gauge helps machinists

and consistent assembly quality in both small shops and high-volume production environments

Precise Metric Fine-Thread Verification (M70 x 2

JBO Thread Ring Gauge (GO) - UNF - Right Hand - 3A - No. 12 x 28 Hex Key Drill Chuck Precise Metric Fine GO GaugeThe JBO Thread Ring Gauge (GO) for UNF, Right Hand, 3A, No. 12 x 28 is a precision tool designed to verify external UNF threads quickly and reliably. Its ideal for engineers, inspectors, machinists, and quality teams who need confidence that threaded components meet exact UNF go standards during assembly and QC checks. Crafted from hardened steel, this GO gauge delivers durable performance in demanding workshops and production lines. Its right hand