JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 4H - M20 x 1.5 FMH FLH FHH S&E A&NF M&D " that refers to blanks

" that refers to blanks prepared and ready to manufacture the reamer for you

With a 3 mm diameter and 50 mm overall length

Suitable for precision finishing in metalworking projects

Material: Ultra-fine grain carbide delivering high strength

reliable go/no-go feedback in busy environments

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 4H - M20 x 1.5 FMH FLH FHH S&E A&NF M&D " that refers to blanksThe JBO Thread Plug Gauge is a precision tool designed for metric fine threads. This right hand Go No Go plug gauge helps you quickly verify threaded holes, ensuring components assemble correctly and consistently in every production or maintenance task. Sized for M20 x 1. 5 applications with a 4H tolerance, it provides reliable checks that fit seamlessly into standard inspection workflows. Created for demanding workshop environments, this gauge