JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M52 x 1.5 Power Milling Chucks Left‑hand spiral flute with right‑hand

Left‑hand spiral flute with right‑hand cutting: optimized chip evacuation and stable cutting action for clean

Its compact ring form and smooth threading make it easy to use in tight spaces

and production environments

” this relates to blanks ready for manufacture into the reamer

Wide compatibility with grub screw boring bars: Engineered to fit a range of bars

JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M52 x 1.5 Power Milling Chucks Left‑hand spiral flute with right‑handThe JBO Thread Ring Gauge (GO) is a precision tool for quick, reliable verification of external thread diameters. Designed for engineers, buyers, machinists, and quality inspectors, this metric fine GO gauge enables fast go no go checks to confirm parts meet the required thread standards with a simple, efficient test. Made from hardened steel for long tool life, it features a compact ring design and left hand thread capability (M52 x 1. 5) to handle