JBO Thread Plug Gauge (GO) - Metric Fine - Right Hand - 4H - M50 x 2 Hex Key Drill Chuck 68 mm reamer features a

68 mm reamer features a straight shank

repeatable performance with easy setup

delivering clean holes with reduced chatter

HSS‑E (M35 cobalt) durability: Made from high-speed steel with cobalt alloy

and QA labs

JBO Thread Plug Gauge (GO) - Metric Fine - Right Hand - 4H - M50 x 2 Hex Key Drill Chuck 68 mm reamer features aThe JBO Thread Plug Gauge (GO) is a precision tool designed to quickly verify metric threaded holes. Built for righthand M50 x 2 threads with 4H tolerance, it helps machinists, inspectors, and quality teams confirm holes meet exact size and pitch requirements with minimal fuss. Hardened steel construction: Delivers long lasting durability and wear resistance in busy workshop environments, ensuring repeatable GO checks over many cycles. Metric Fine M50