JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 4h - M6 x 1 FMH This reamer combination delivers repeatable

This reamer combination delivers repeatable

The carbide construction offers excellent wear resistance for longer tool life in tougher materials

Material: HSS-E (High-Speed Steel with Enhanced properties) for heat resistance and durability

cleaner slots with less chatter

dimensionally precise finishes in every pass

JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 4h - M6 x 1 FMH This reamer combination delivers repeatableThe 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