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Ships within 48 hours · Estimated delivery Nov 4 - Nov 9
dependable checks to confirm holes meet exact standards before assembly or further processing
true tolerances
reducing rework and keeping production moving smoothly
you receive a tool tailored to precise tasks and ready within a short despatch window
Rugged daily-use build: Designed for busy workshops and job sites
JBO Thread Ring Gauge (NoGo) - UNEF - Left Hand - 2A - 13/16 x 20 Face Mill Arbors - Anti-Vibration dependable checks to confirm holesThe JBO Thread Ring Gauge (NoGo) is a precision inspection tool designed to verify external UNEF threads in a left hand configuration. Sized for 13 16 x 20, its ideal for manufacturing, automotive, aerospace, and quality teams that need fast, reliable verification of thread diameters. With its NoGo face, the gauge makes non conforming threads instantly recognizable, helping prevent improper fits and costly rework. Constructed from hardened steel, it
