JBO Thread Plug Gauge - UNC Go-No/Go - Right Hand - 3B - 9/16 x 12 Morse Taper Adaptor The six-flute design uses a

The six-flute design uses a left-hand spiral flute and right-hand cutting for controlled material removal and repeatable results in demanding materials

this collet minimizes rework and scrap

Carbide tipped cutting edge: Delivers long wear life and consistent hole diameters

Shank: Long shank provides extended reach for deep grooves and recessed features

helping you maintain tight tolerances and smooth finishes across a range of materials

JBO Thread Plug Gauge - UNC Go-No/Go - Right Hand - 3B - 9/16 x 12 Morse Taper Adaptor The six-flute design uses aThe JBO UNC Go No Go Thread Plug Gauge is a precision inspection tool designed to verify 9 16 12 UNC threaded holes quickly and reliably. Built for manufacturers, automotive teams, and aerospace shops, it helps ensure threaded components meet Unified Thread Standard class 3B requirements. With its go no go design, technicians can instantly confirm fit and identify out of tolerance holes, reducing guesswork and rework. Go No Go quick check: Easily