JBO Thread Plug Gauge - UNF Go-No/Go - Left Hand - 2B - 7/8 x 14 ER Mini Collet Chucks Ball Nose Geometry for Smooth

Ball Nose Geometry for Smooth Contours: Delivers precise radii and curved surfaces with minimal finishing passes

metric slitting solution designed for precise slotting and narrow cuts on small-diameter workpieces

lowers cutting temperature

and workshop professionals rely on this reamer when accuracy and repeatability matter

and reliable performance across a range of applications

JBO Thread Plug Gauge - UNF Go-No/Go - Left Hand - 2B - 7/8 x 14 ER Mini Collet Chucks Ball Nose Geometry for SmoothThe JBO Thread Plug Gauge UNF Go No Go Left Hand 2B 7 8 x 14 is a precision inspection tool designed to verify internal UNF threads in holes and housings. Its built for professionals in manufacturing, automotive, and aerospace who need fast, reliable checks to ensure threaded bores meet Unified standards. The Go No Go design delivers straightforward pass fail feedback, helping inspectors and machinists confirm correct threading before assembly and