JBO Thread Ring Gauge (GO) - UNF - Right Hand - 2A - No. 6 x 40 FMH Its precise geometry and durable

Its precise geometry and durable construction deliver dependable results you can trust in daily inspection workflows

producing cleaner cuts and improved surface finish on intricate mold features

and predictable wear patterns for repeatable production

robust connection for E2-size tooling

and skilled machinists

JBO Thread Ring Gauge (GO) - UNF - Right Hand - 2A - No. 6 x 40 FMH Its precise geometry and durableThe JBO Thread Ring Gauge (GO) for UNF Right Hand threads is a precision go gauge designed to verify external thread diameters on No. 6 x 40 UNF fasteners and components. Its ideal for machine shops, quality control labs, and field maintenance where reliable GO checks are essential to ensure parts meet strict UNF specifications. Crafted from hardened steel with tight dimensional control, this GO ring gauge resists wear in busy environments, delivering