JBO Thread Plug Gauge - Metric Coarse Go/No-Go - Right Hand - 4H - M7 x 1 G while the spiral flute design

while the spiral flute design keeps chips moving efficiently

smooth cutting action for consistent finishes

65mm is a precision carbide-tipped reamer engineered for accurate hole finishing

and steady performance across a wide range of milling tasks

and improves chip evacuation for clean

JBO Thread Plug Gauge - Metric Coarse Go/No-Go - Right Hand - 4H - M7 x 1 G while the spiral flute designThe JBO Thread Plug Gauge is a precision inspection tool designed for metric coarse threads, specifically tuned for M7 x 1 holes and 4H internal tolerance. It uses a Go No Go design to quickly verify threaded holes meet the required spec, helping ensure reliable assembly and consistent performance. Crafted from hardened steel for durability, this right hand gauge stands up to daily shop use. Its compact, knurled body provides a secure grip for fast,