JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M39 x 1 A&NF while the straight shank ensures

while the straight shank ensures compatibility with common holders and collets

consistent hole sizes across jobs

27 mm finished hole every time

Material: Ultra-fine grain carbide for high strength and long tool life

while the straight shank ensures compatibility with standard tooling setups for secure

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M39 x 1 A&NF while the straight shank ensuresThe JBO Thread Plug Gauge is a precision inspection tool designed for metric fine threads, purpose built to verify the accuracy of threaded holes in machined parts and assemblies. Its ideal for engineers, machinists, quality inspectors, and workshop technicians who need rapid, reliable checks to ensure parts fit together as intended. With a Go No Go design, this gauge lets you quickly confirm whether a hole meets the required tolerancestreamlining QA