The JBO Thread Ring Gauge (GO) in Metric Fine is a precision inspection tool designed for quick, reliable verification of external thread diameters. Ideal for engineers, quality inspectors, machinists, and maintenance technicians, it helps confirm that threaded components meet the M20 x 2 metric fine standard. This GO gauge provides a clear pass/fail indication to streamline your in-process and final inspections.

Designed for everyday use in busy workshops and production lines, its intuitive design makes it easy to read and use across a wide range of experienced and non-technical users. Crafted from hardened steel, it delivers exceptional durability, wear resistance, and long service life in demanding environments.

• Fast GO/NO-GO checks: Quickly confirms whether external threads conform to the M20 x 2, 4H standard, helping you speed up inspections and make confident pass/fail decisions.
• Rugged hardened steel construction: Built to withstand repeated use, resist wear and corrosion, and maintain accuracy in busy shop conditions.
• Precise metric fine threading: M20 x 2, right-hand: Machined to exact dimensions with correct thread orientation, ensuring consistent measurements and easy compatibility with your existing gauge set.

Incorporating this GO gauge into your quality control workflow supports faster, more consistent inspections, reduces rework, and builds confidence that every threaded component meets the specified standard. Its durable build and standard M20 x 2 right-hand metric fine threading help you maintain tight process control and reliable results across production runs.