JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M20 x 2 Hex Key Drill Chuck Flute Geometry: 6 spiral flutes

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

efficient chip control from the four-flute design

and the regular-length body fits a broad spectrum of machines and setups

Left-hand spiral flute with right-hand cutting: Optimized chip evacuation and controlled cutting action for smooth

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M20 x 2 Hex Key Drill Chuck Flute Geometry: 6 spiral flutesThe 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