JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M19 x 1 G 85mm Straight Shank Carbide Reamer

85mm Straight Shank Carbide Reamer with a left-hand spiral flute and right-hand cutting delivers precise hole sizing in a compact

Left-Hand Spiral Flute with Right-Hand Cutting: Optimizes chip evacuation and delivers a smooth bore finish with consistent size control

and similar materials

delivering cleaner surfaces and tighter tolerances

providing consistently accurate measurements in demanding shop environments

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M19 x 1 G 85mm Straight Shank Carbide ReamerThe JBO Thread Plug Gauge is a left hand, metric fine thread Go No Go gauge designed to verify internal threads with speed and precision. Sized for M19 x 1 holes in the 6H class, it helps ensure mating parts fit accurately without guesswork in critical assemblies. Built for daily workshop use, this gauge features hardened steel construction and a textured grip, delivering long lasting performance and confident handling during inspections. Go No Go