JBO Thread Plug Gauge (NoGo) - Metric Fine - Left Hand - 6H - M48 x 3 Hydraulic Expansion Chucks Standards: DIN 206-B geometry with

Standards: DIN 206-B geometry with ISO H5 tolerance

thanks to the cobalt-rich HSS-E substrate and the protective AcuRea coating

combines intermediate-precision HSS-E with a straight shank and AcuRea coating to deliver precise hole finishing

Durable Premium Construction: Built from premium materials to withstand demanding machining environments and maintain dependable performance over time

and workshop professionals who need reliable hole size and smooth bore finishes

JBO Thread Plug Gauge (NoGo) - Metric Fine - Left Hand - 6H - M48 x 3 Hydraulic Expansion Chucks Standards: DIN 206-B geometry withThe JBO Thread Plug Gauge (NoGo) in Metric Fine is a precision tool designed to verify internal threads in metric fine pitch, specifically for left hand holes. Built for inspectors, machinists, and maintenance technicians, it helps ensure threaded holes meet the required maximum material condition with quick, confident pass fail checks. Crafted for tough work environments, this gauge combines accuracy with durable construction to support reliable