JBO Thread Ring Gauge (GO) - UNC - Left Hand - 2A - No. 1 x 64 End Mill Holders delivering smoother corners

delivering smoother corners

this saw produces smooth

and deliver consistent hole quality in professional and hobbyist workshops alike

Accurate NoGo verification for metric fine threads (M72 x 6): Quickly flags threads that exceed the maximum diameter

and deliver repeatable outcomes job after job

JBO Thread Ring Gauge (GO) - UNC - Left Hand - 2A - No. 1 x 64 End Mill Holders delivering smoother cornersThe JBO Thread Ring Gauge (GO) UNC Left Hand 2A No. 1 x 64 is a precision Go gauge used to verify external UNC left hand thread diameters on fasteners, fittings, and machined components. It provides fast Go No Go checks during assembly, inspection, and quality control to ensure components meet the required major diameter. Manufactured from hardened steel for durability, this ring gauge resists wear in demanding shop environments. Its simple, robust