JBO Thread Ring Gauge (GO) - UNC - Left Hand - 2A - No. 5 x 40 End Mill Holders Finish: Uncoated surface to minimize

Finish: Uncoated surface to minimize friction and support smooth chip flow

The dedicated aluminium design supports faster material removal while maintaining control

005 mm) maintains precise dimensions and long

DIN 8093 / ISO H4 tolerance: Ensures precise hole dimensions and repeatable results

secure mounting: The standard taper shank enables fast tool changes and reliable alignment in compatible holders and machines

JBO Thread Ring Gauge (GO) - UNC - Left Hand - 2A - No. 5 x 40 End Mill Holders Finish: Uncoated surface to minimizeThe JBO Thread Ring Gauge GO for UNC threads is a precision tool built to quickly verify external thread diameters on fasteners, fittings, and machined parts. Designed for a broad user baseengineers, buyers, tradespeople, hobbyists, and quality teamsit provides a straightforward Go check that confirms parts meet UNC specifications with reliability and efficiency. This model is specifically configured for Left Hand UNC threads, 2A class, size No. 5 x