JBO Thread Plug Gauge - UNJF Go-No/Go - Right Hand - 3B - 1/2 x 20 FMH FLH FHH S&E A&NF M&D 005 mm) and it conforms

005 mm) and it conforms to BS 328/4 for easy integration with common tooling setups

Ball Nose geometry for smooth curved contours: Creates accurate radii on narrow ribs and curved surfaces

and pairs easily with common tooling setups and fixtures

right-hand): Delivers accurate

Efficient chip evacuation for cleaner finishes: Optimized geometry and chip flow minimize clogging and heat

JBO Thread Plug Gauge - UNJF Go-No/Go - Right Hand - 3B - 1/2 x 20 FMH FLH FHH S&E A&NF M&D 005 mm) and it conformsThe JBO Thread Plug Gauge UNJF Go No Go Right Hand 3B 1 2 x 20 is a precision inspection tool for verifying UNJF threaded holes. Its compact, hand size design makes it ideal for manufacturing, automotive, aerospace, and shop floor QC tasks, where fast, repeatable checks are essential. With a dedicated go and no go end, it offers a clear, tactile pass fail indication for each hole you measure helping you confirm correct thread engagement, proper depth,