JBO Thread Plug Gauge (GO) - Metric Fine - Right Hand - 6H - M138 x 1.5 Face Mill Arbors - Through Coolant With built-to-order manufacturing and a

With built-to-order manufacturing and a 24–48 hour despatch window

15 mm precision size for accurate final hole dimensions and tight tolerances

with interchangeability guaranteed by standard DIN 8093/H4 specifications

while the tapered neck aids access in tight mold/die features

the OZ12 Collets deliver accurate tool positioning during every pass—so you spend less time chasing chatter and more time producing accurate parts

JBO Thread Plug Gauge (GO) - Metric Fine - Right Hand - 6H - M138 x 1.5 Face Mill Arbors - Through Coolant With built-to-order manufacturing and aThe JBO Thread Plug Gauge (GO) Metric Fine, Right Hand, 6H, M138 x 1. 5 is a precision go gauge designed to verify internal threads in a wide range of components and assemblies. It helps machinists, inspectors, and quality teams quickly confirm that threaded holes meet the exact size and class required for reliable assembly. Designed for durability and repeatable results, this GO gauge delivers fast, confident checks on threaded holes, supporting