JBO Thread Plug Gauge - BSW Go/No-Go - Right Hand - Medium Class - 9/16 x 12 FHH and aluminum—it helps reduce finishing

and aluminum—it helps reduce finishing time and improves part fit without compromising tool life

while the neck profile increases reach to access narrow slots

Wide diameter range with tight tolerance: Handles 0

The ISO H5 tolerance ensures tight hole dimensions

making it a versatile addition to any workshop

JBO Thread Plug Gauge - BSW Go/No-Go - Right Hand - Medium Class - 9/16 x 12 FHH and aluminum—it helps reduce finishingThe 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