Left-hand spiral flute with right-hand cutting: Optimized chip control and smooth cutting action for clean
Standard Length is a precision M2 high-speed steel reamer designed for accurate hole sizing in metalworking projects
repeatable interface between tool and spindle for dependable results across roughing and finishing tasks
Efficient flute geometry for smooth finishes: Left-hand spiral flute with right-hand cutting promotes effective chip evacuation
2 mm cutting diameter for fine-detail work and precise radii
JBO Thread Ring Gauge (GO) - UNC - Right Hand - 2A - 1/4 x 20 Hex Key Drill Chuck Left-hand spiral flute with right-handThe JBO Thread Ring Gauge (GO) for UNC Right Hand 2A 1 4 x 20 is a precision GO gauge designed to verify the external thread diameter of fasteners, fittings, and threaded components. Built for inspectors, machinists, and quality teams, it helps confirm parts conform to Unified UNC standards with reliable, repeatable results. Manufactured from hardened steel, this gauge delivers durable wear resistance for demanding workshops and long service life. Its