JBO Thread Ring Gauge (GO) - Metric Coarse - Left Hand - 6e - M4 x 0.7 A&NF The tool’s geometry enables higher

The tool’s geometry enables higher feed rates with stable operation

repeatable hole finishes that speed up assembly and quality checks

reduces tool interference

Multiple corner radius options: Enables precise corner finishing on varied mold/die features

and shop-floor operators who need repeatable bore sizes and reliable performance across a range of materials

JBO Thread Ring Gauge (GO) - Metric Coarse - Left Hand - 6e - M4 x 0.7 A&NF The tool’s geometry enables higherThe JBO Thread Ring Gauge (GO) Metric Coarse is a precision inspection tool designed to verify external thread sizes quickly and reliably. Built for engineers, machinists, quality control teams, and assembly buyers, it helps confirm that metric coarse threads match the M4 x 0. 7 specification and will mate correctly with corresponding components. This GO gauge is specifically configured for left hand threads (6e), ensuring accurate checks across the