JBO Thread Plug Gauge - UNF Go-No/Go - Left Hand - 2B - No. 3 x 56 Face Mill Arbors - Through Coolant minimizing tool slip and reducing

minimizing tool slip and reducing setup time between jobs

Wide material compatibility and smooth operation: Performs consistently on aluminium

Chip evacuation optimization: advanced flute geometry promotes efficient chip flow and cooling

Built on HSS-E (M35 Cob) and finished with the AcuRea hard-surface coating

Straight shank for easy setup: Fits standard collets and tool holders

JBO Thread Plug Gauge - UNF Go-No/Go - Left Hand - 2B - No. 3 x 56 Face Mill Arbors - Through Coolant minimizing tool slip and reducingThe JBO Thread Plug Gauge UNF Go No Go Left Hand 2B No. 3 x 56 is a precision inspection tool designed to quickly verify internal UNF threads. Its straightforward Go No Go design provides an immediate pass fail reading for threaded holes, helping you confirm conformance and keep production running smoothly in manufacturing, automotive, and aerospace settings. Go No Go quick verification: Enables fast, objective checks of threaded holes, reducing