JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6G - M17 x 0.5 S&E Taper shank for stable seating:

Taper shank for stable seating: secure tool seating reduces runout and aligns with BS 328/4 standard holders for reliable

3 corner radius: Enables accurate small-radius corners on molds and dies

and repeatable finishes across a range of steels

Using this reamer delivers consistent hole sizes with minimal finishing work

The robust HSS material and taper-shank design deliver durable performance across finishing operations

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6G - M17 x 0.5 S&E Taper shank for stable seating:The JBO Thread Plug Gauge is a precision tool designed for inspecting internal metric fine threads. Specifically tuned for M17 x 0. 5 and a right hand orientation, this Go No Go gauge lets you quickly confirm whether a threaded hole meets specification, reducing guesswork during setup and quality checks. Featuring a rugged, knurled body for secure handling, the gauge is built to endure daily use in busy workshops. Its hardened steel construction