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and a trusted solution that fits standard tooling systems
it provides efficient chip evacuation and stable cutting action for reliable bore sizing
Each unit is made to order with a 24–48 hour despatch window
and other applications that require clean
85 mm nominal diameter and a taper shank
JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M21 x 1 Milling Cutter Arbors and a trusted solution thatThe JBO Thread Ring Gauge (NoGo) Metric Fine Left Hand 6g M21 x 1 is a precision inspection tool designed to verify external thread diameters on components with metric fine threads. Built for engineers, buyers, tradespeople, hobbyists, and quality teams, it helps confirm that threaded parts meet exact diameter limits at a glance. Crafted from hardened steel for durability, this NoGo ring gauge withstands daily use in busy workshops, garages, and
