JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 4h - M6 x 1 FMH and stable performance in low

and stable performance in low to mid-hard steels typical of mold and die work

cleaner slots with less chatter

while the sturdy BT40 interface supports reliable

Tapered Neck for Enhanced Stability: The tapered neck reduces flex and chatter when cutting at varying angles

Carbide construction for durability: Delivers exceptional wear resistance and long tool life

JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 4h - M6 x 1 FMH and stable performance in lowThe JBO Thread Ring Gauge (NoGo) Metric Coarse Right Hand 4h M6 x 1 is a precision inspection tool designed to verify external threads against strict size limits. Its ideal for engineers, machinists, quality inspectors, and workshop teams who need reliable, repeatable checks to confirm that M6 x 1 coarse threads meet the correct diameter before parts move to assembly. Constructed from hardened steel, this gauge delivers durable, wearresistant