JBO Thread Plug Gauge (NoGo) - Metric Fine - Left Hand - 6H - M52 x 1 Face Mill Arbors - Through Coolant burr-free bores even in tougher

burr-free bores even in tougher materials

you benefit from a defined lead time and a dispatch window of 24–48 hours

and other joinery that relies on precise keyseat geometry

HSS (M2) with ISO H5 tolerance: Delivers wear resistance and tight size control (-0 to +0

This intermediate precision tool is built for reliable performance in professional machining environments

JBO Thread Plug Gauge (NoGo) - Metric Fine - Left Hand - 6H - M52 x 1 Face Mill Arbors - Through Coolant burr-free bores even in tougherIntroducing the JBO Thread Plug Gauge (NoGo) Metric Fine, Left Hand, 6H, M52 x 1. This precision tool is designed to verify threaded holes with metric fine threads, specifically for M52 x 1 left hand holes with 6H tolerance. Its ideal for machinists, inspectors, and quality teams who need quick, reliable checks for hole size and thread form without disassembly. Built to withstand daily workshop use, this NoGo gauge helps confirm holes meet the exact