JBO Thread Plug Gauge - BSW Go/No-Go - Right Hand - Medium Class - 9/16 x 12 FHH while the neck profile increases

while the neck profile increases reach to access narrow slots

this tool blends extended reach with durable

high-quality finishes across a range of materials—from hardened steels to aluminum

Ideal for workshop environments where reliable

The ISO H5 tolerance ensures tight hole dimensions

JBO Thread Plug Gauge - BSW Go/No-Go - Right Hand - Medium Class - 9/16 x 12 FHH while the neck profile increasesThe JBO Thread Plug Gauge is a precision Go No Go inspection tool designed for quickly verifying threaded holes and fittings. Its ideal for shops and quality teams in manufacturing, automotive, and aerospace environments, helping ensure every part meets exact thread size and tolerance without guesswork. Designed for right hand threads in a medium class, and sized at 9 16 x 12, this gauge delivers reliable, repeatable checks that support accurate