JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M20 x 2 Hex Key Drill Chuck delivering stable guidance and efficient

delivering stable guidance and efficient material removal for metalworking projects

Dispatch typically within 24–48 hours

Flute Geometry: 6 spiral flutes that promote efficient material removal and stable

while the secure shrink-fit connection and durable construction deliver consistent results you can trust across demanding jobs

Carbide-tipped for extended wear life: The K10 carbide tip provides exceptional hardness and wear resistance

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M20 x 2 Hex Key Drill Chuck delivering stable guidance and efficientThe JBO Thread Plug Gauge is a precision inspection tool designed for metric fine threads. Its specifically sized for M20 x 2 left hand internal threads, and uses a Go No Go design to quickly verify threaded holes during assembly or quality control. Built for durability in busy workshops, the gauge features hardened steel construction to resist wear and maintain accuracy across many uses, with a 6H internal thread tolerance reference to align with