JBO Thread Ring Gauge (NoGo) - BSP (G) - Left Hand - Tol. A - 3 x 11 Morse Taper Adaptor clean bore finish across the

clean bore finish across the full reamer length

Shank type: Straight shank for broad compatibility with standard tool holders and collet chucks

wear-resistant HSS material

45 mm taper-shank

JBO Thread Ring Gauge (NoGo) - BSP (G) - Left Hand - Tol. A - 3 x 11 Morse Taper Adaptor clean bore finish across theThe JBO Thread Ring Gauge (NoGo) BSP (G) Left Hand Tol. A 3 x 11 is a precision inspection tool designed for plumbers, engineers, and quality teams who need to verify external BSP (G) threads quickly and confidently. Built to help you confirm thread size and tolerance, it supports accurate fitting and reliable sealing in piping and fluid handling applications. With its NoGo design, this gauge makes non conforming threads easy to spot, reducing