JBO Thread Ring Gauge (NoGo) - UNEF - Left Hand - 2A - 13/16 x 20 Face Mill Arbors - Anti-Vibration and lowers overall cycle times

and lowers overall cycle times

dependable checks to confirm holes meet exact standards before assembly or further processing

Rugged daily-use build: Designed for busy workshops and job sites

while the straight shank and DIN 206-B compliance ensure smooth integration with common hand reaming setups

you receive a tool tailored to precise tasks and ready within a short despatch window

JBO Thread Ring Gauge (NoGo) - UNEF - Left Hand - 2A - 13/16 x 20 Face Mill Arbors - Anti-Vibration and lowers overall cycle timesThe 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