JBO Thread Ring Gauge (GO) - UNC - Right Hand - 2A - 2 1/4 x 4.5 Hex Key Drill Chuck and strict tolerance alignment makes

and strict tolerance alignment makes it a dependable choice for professional workshop environments and demanding fabrication workflows

Length: Long-length design provides extended reach for deep milling and accessing recessed features

Premium HSS-E with M35 Cobalt for Durability and Tight Tolerances: Cobalt-enriched high-speed steel offers enhanced wear resistance and longer tool life

smooth holes with consistent tolerance

Built for straight-shank holders

JBO Thread Ring Gauge (GO) - UNC - Right Hand - 2A - 2 1/4 x 4.5 Hex Key Drill Chuck and strict tolerance alignment makesThe JBO Thread Ring Gauge (GO) for UNC threads is a right hand, 2A GO gauge sized 2 1 4 x 4. 5. Its designed to deliver precise external thread checks, helping inspectors, machinists, and quality teams quickly verify components meet Unified UNC standards. Crafted from hardened steel, the gauge resists wear and maintains tight tolerances in demanding environments. The GO configuration simplifies identifying conforming threads, speeding up quality