JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M40 x 2 Power Milling Chucks while DIN 8093 compliance and

while DIN 8093 compliance and ISO H4 tolerance ensure tight

repeatable rib profiling with excellent surface finish on curved surfaces

Go/No-Go quick checks: Instantly confirm hole acceptance with a simple pass/fail indication

Size and fit for compatible tooling: 18

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M40 x 2 Power Milling Chucks while DIN 8093 compliance andThe JBO Thread Plug Gauge is a precision tool designed for metric fine threads, helping you verify threaded holes quickly and confidently. Built for engineers, machinists, quality inspectors, and shop environments, this left hand Go No Go gauge checks tolerance for M40 x 2 threads (6H) so parts mate smoothly on first assembly. Constructed from hardened steel, the gauge delivers dependable performance and stands up to daily use in demanding workshop