JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 4h - M20 x 2 Face Mill Arbors - Anti-Vibration 0015 mm tolerance supports precise

0015 mm tolerance supports precise hole finishing with consistent diameter

23 mm reamer uses M2 high-speed steel with a left-hand spiral flute and right-hand cutting

while its spiral flute minimizes chip build‑up and heat during cutting

making it a versatile choice for a wide range of materials and applications

engineered for finishing holes with exceptional consistency

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 4h - M20 x 2 Face Mill Arbors - Anti-Vibration 0015 mm tolerance supports preciseThe JBO Thread Ring Gauge (NoGo) for Metric Fine threads in a Right Hand orientation is a precision tool for inspecting external thread diameters. Crafted to exact metric fine specifications, it supports quick, reliable verification of parts against the M20 x 2 standard (4h), helping you confirm compliance during quality checks, assembly, and maintenance. Built from hardened steel, this gauge delivers durable performance with excellent wear