JBO Thread Ring Gauge (GO) - BSW - Right Hand - Medium Class - 1 1/4 x 7 Hydraulic Expansion Chucks and fabrication workflows where bore

and fabrication workflows where bore quality matters

User-friendly inspection design: Intuitive checks allow operators of all experience levels to identify out-of-spec parts quickly

and precise ISO H5 sizing helps you achieve consistent results across production runs

spiral-fluted HSS-E reamer with AcuRea coating

The NoGo feature gives an immediate

JBO Thread Ring Gauge (GO) - BSW - Right Hand - Medium Class - 1 1/4 x 7 Hydraulic Expansion Chucks and fabrication workflows where boreThe JBO Thread Ring Gauge (GO) BSW Right Hand Medium Class 1 1 4 x 7 is a precision tool used to verify external thread diameters on fasteners and components. Designed for engineers, inspectors, machinists, and quality teams, it delivers quick, reliable go checks to confirm parts meet BSW thread standards. GO Gauge for BSW external threads: Quickly verify that a parts external thread diameter meets the GO limit for 1 1 4 x 7, enabling fast pass fail