JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 4H - M29 x 1 Endmill25 while the straight shank provides

while the straight shank provides secure seating in standard tool holders

The Toolex Reamer — Taper Shank — Spiral Flute — Standard Length — HSS — H5 — 21

14 mm and crafted from HSS-E cobalt steel

and rely on dependable performance for demanding molding and die work

helping prevent breakage during demanding cuts and extending tool life

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 4H - M29 x 1 Endmill25 while the straight shank providesThe JBO Thread Plug Gauge is a precision Go No Go gauge for metric fine threads, calibrated for M29 x 1 right hand internal threads with 4H tolerance to ensure holes meet exact specs. Built with hardened steel and a knurled grip, it's durable enough for daily shop use and comfortable to handle during quick inspections. Go No Go Design for Fast, Reliable Checks: Quickly verify whether the threaded hole meets tolerance, delivering clear pass fail