JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 4H - M28 x 1.5 M&D helping you achieve accurate features

helping you achieve accurate features and repeatable results in mold and die applications

The straight shank design offers rigid alignment and compatibility with standard reaming setups

Built on a straight shank for straightforward mounting in standard tool holders

is built for finishing precision holes with reliable

and hobbyists seeking precision without guesswork

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 4H - M28 x 1.5 M&D helping you achieve accurate featuresThe JBO Thread Plug Gauge is a precision inspection tool designed for metric fine threads. Its specifically suited for right hand M28 x 1. 5 holes with a 4H tolerance, allowing quick verification of whether a bore will accept a mating thread. Ideal for engineers, machinists, quality inspectors, and shop floor technicians, this gauge helps ensure components fit together with confidence. It enables fast Go No Go checks that streamline quality control