JBO Thread Ring Gauge (NoGo) - BSP (G) - Right Hand - Tol. A - 1 3/4 x 11 Tapping Chucks enhances heat and wear resistance

enhances heat and wear resistance to sustain cutting efficiency in dry and high-speed applications while delivering excellent workpiece finishes

precise hole finishing that supports quick setups and repeatable results in professional workshops

98 mm diameter finishes drilled holes to ISO H4 tolerance (DIN 8089) using a left-hand spiral flute and right-hand cutting for reliable

001 (approximately 0

Built from HSS-E (M35 Cob) and featuring a straight shank

JBO Thread Ring Gauge (NoGo) - BSP (G) - Right Hand - Tol. A - 1 3/4 x 11 Tapping Chucks enhances heat and wear resistanceThe JBO Thread Ring Gauge (NoGo) is a precision inspection tool designed to verify external BSP (G) threads. Sized for 1 3 4" diameter with 11 threads per inch, and configured for right hand threads in Tol. A, it helps plumbers, pipefitters, engineers, and maintenance professionals quickly determine whether fittings meet BSP (G) standards. The NoGo design makes non conforming threads easy to spot, supporting reliable seal and proper fit in critical