JBO Thread Plug Gauge - UNF Go-No/Go - Right Hand - 3B - 1/2 x 20 Shrink Fit Holders This compact 25 mm diameter

This compact 25 mm diameter saw with an 8 mm bore and 5 mm width features 32 teeth for a fine pitch

Specifically tuned for metric fine threads: Optimized for M88 x 1

and edge protection

making it a dependable choice for joinery

thanks to robust M2 high-speed steel and the DIN 212-B standard

JBO Thread Plug Gauge - UNF Go-No/Go - Right Hand - 3B - 1/2 x 20 Shrink Fit Holders This compact 25 mm diameterThe JBO Thread Plug Gauge is a precision inspection tool designed to verify internal UNF threads in holes. Specifically tailored for right hand 1 2 x 20 UNF threads and 3B tolerance, it helps machinists, inspectors, and maintenance teams quickly confirm bore readiness and thread conformity. Its a reliable choice for manufacturing, automotive, and aerospace environments where consistent thread quality matters. With a robust, knurled body and durable