JBO Thread Ring Gauge (GO) - BSP (G) - Left Hand - Tol. A - 3/8 x 19 Tapping Chucks Through coolant with left-hand spiral

Through coolant with left-hand spiral flute: efficient chip evacuation and cooling during cutting

consistent surface finish on reamed holes

and stable cutting in demanding mold and die work

The JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M90 x 3 is a precision GO gauge designed to quickly verify external thread diameters on metric fine threads

JBO Thread Ring Gauge (GO) - BSP (G) - Left Hand - Tol. A - 3/8 x 19 Tapping Chucks Through coolant with left-hand spiralJBO Thread Ring Gauge (GO) for BSP (G) threads, Left Hand, Tol. A, 3 8 x 19, is a precision tool designed to verify external thread diameters on pipe fittings and connectors. This go style gauge helps inspectors and technicians quickly confirm that threads match BSP (G) standards and will seal properly when installed. Ideal for plumbing, fluid handling, and engineering environments, the gauge supports accurate, repeatable checks across job sites and