JBO Thread Plug Gauge - UNF Go-No/Go - Right Hand - 3B - No. 0 x 80 Face Mill Arbors - Through Coolant 37 mm diameter is a

37 mm diameter is a precision finishing tool designed for engineers

knurled body ensures a secure grip for precise alignment during inspection

reliable solution for high-precision milling tasks in mold and die work

and a smoother workflow from setup to part inspection

With a taper shank for secure fitment

JBO Thread Plug Gauge - UNF Go-No/Go - Right Hand - 3B - No. 0 x 80 Face Mill Arbors - Through Coolant 37 mm diameter is aThe JBO UNF Go No Go Thread Plug Gauge is a precision inspection tool designed to verify threaded holes against Unified thread standards. In right hand UNF threads and class 3B, the No. 0 x 80 gauge enables quick Go No Go checks to confirm proper fit and reliable performance. Its ideal for manufacturing, automotive, and aerospace environments where fast, confident quality checks are essential. Go No Go quick conformance checks: Quickly determine if