JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 4H - M18 x 1 Hydraulic Expansion Chucks Broad material versatility for mold

Broad material versatility for mold and die work: Designed for materials below 55 HRc

it provides a stable reach for a wide range of jobs while keeping the setup lightweight

helping you maintain tight tolerances and achieve repeatable results across multiple passes

BS 328/4 taper shank: Reliable

delivering good surface quality across mold materials while maintaining control

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 4H - M18 x 1 Hydraulic Expansion Chucks Broad material versatility for moldThe JBO Thread Plug Gauge is a precision inspection tool designed for metric fine threads. It helps engineers, machinists, and quality control professionals quickly verify internal threads in housings, adapters, and other components to ensure parts fit together smoothly. Sized for M18 x 1 with right hand orientation and 4H tolerance, this Go No Go gauge offers fast, repeatable checks on hole quality and consistency across production runs. Go No Go