JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 4h - M5 x 0.8 S&E and technicians who value precision

and technicians who value precision without guesswork

Finished to DIN 8051 B tolerance with D = ISO H5

DIN 8093 compliant with ISO H4 tolerance: Ensures standardized sizing and easy interchangeability with existing tooling and fixtures

enabling cleaner corners and smoother transitions with fewer finishing passes

ISO H5 Tolerance for Precise Fits: Ensures hole size stays within -0/+0

JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 4h - M5 x 0.8 S&E and technicians who value precisionThe JBO Thread Ring Gauge (NoGo) Metric Coarse Right Hand 4h M5 x 0. 8 is a precision measurement tool designed to confirm external threads on metric coarse fasteners and components. It helps engineers, machinists, quality teams, and maintenance professionals quickly verify that every threaded part meets exact dimensional standards. Built for rugged workshop use, this NoGo gauge is crafted from hardened steel for exceptional wear resistance and long