JBO Thread Plug Gauge (NoGo) - Metric Fine - Left Hand - 6H - M65 x 2 Face Mill Arbors and profiling deep grooves in

and profiling deep grooves in mold and die components

production-ready results project after project

accurate hole right after drilling

making it a practical choice when stock is not immediately available and timing matters for your project workflow

Left-Hand Spiral Flute with Right-Hand Cutting: Optimizes chip evacuation and provides controlled cutting action for clean

JBO Thread Plug Gauge (NoGo) - Metric Fine - Left Hand - 6H - M65 x 2 Face Mill Arbors and profiling deep grooves inThe JBO Thread Plug Gauge (NoGo) Metric Fine, Left Hand, 6H, M65 x 2 is a precision inspection tool designed to verify internal thread holes to exact metric fine specifications. It is tailored for professionals who need quick, reliable pass fail checks during manufacturing, assembly, and maintenance. This NoGo gauge helps confirm that holes meet the maximum size and pitch tolerance required for consistent, dependable threading in metric fine