The JBO Thread Ring Gauge (GO) for BSP (G) threads is a precision inspection tool designed to verify external thread diameters on fittings. It’s ideal for plumbers, engineers, manufacturers, and field technicians who need quick, reliable conformance checks. The Go-design makes it easy to identify properly sized threads, helping ensure a correct fit and reliable seal during assembly and maintenance.

Designed for Right-Hand BSP (G) threads, this gauge features Tol. A and a 4 x 11 size, delivering consistent, repeatable results across production runs and service tasks.

• Fast go/no-go verification: The Go design lets you quickly determine whether a thread meets BSP (G) standards, reducing inspection time and preventing misfits.
• Precise Tol. A tolerance: Machined to Tol. A for BSP (G) threads ensures consistent measurements and dependable pass/fail results batch after batch.
• Knurled grip and easy handling: Textured outer surface provides a secure grip and straightforward alignment, even in tight spaces or on oily fittings.

With the JBO Thread Ring Gauge, you can speed up quality checks, improve fit and seal reliability, and minimize downtime due to rejected parts. Its precise design supports repeatable inspections across teams, helping you maintain consistent assembly quality, reduce rework, and keep projects on schedule.