JBO Thread Ring Gauge (GO) - BSF - Right Hand - Medium Class - 7/8 x 11 Face Mill Arbors - Through Coolant giving you confidence in every

giving you confidence in every measurement and faster decision-making on the shop floor

efficient cut

and uncoated surface deliver consistent cuts in deep slots and challenging setups

supporting consistent QA results across production runs

Benefits: Achieve precise hole sizing with a smooth

JBO Thread Ring Gauge (GO) - BSF - Right Hand - Medium Class - 7/8 x 11 Face Mill Arbors - Through Coolant giving you confidence in everyThe JBO Thread Ring Gauge (GO) BSF is a precision go gauge designed to verify external BSF threads. It is sized for 7 8 x 11 right hand threads and is ideal for machinists, inspectors, and quality teams working in manufacturing, maintenance, and assembly environments. Manufactured from hardened steel for lasting durability, the gauge features a knurled outer edge for a secure grip in busy shops. The GO gauge provides clear, quick pass fail results to