precise bore enlargement
making it a trustworthy choice for professionals and enthusiasts alike
finish-ready holes in a variety of steels and non-ferrous materials
This reamer helps you tighten control over finished hole dimensions
repeatable tolerances with intermediate carbide (K10) for reliable interchangeability and long‑term performance across production runs
JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M18 x 0.5 NCDC Drill Chuck precise bore enlargementThe JBO Thread Ring Gauge (NoGo) Metric Fine, Left Hand, 6g, M18 x 0. 5 is a precision inspection tool designed to verify external thread diameters on fasteners, fittings, and machined parts with left handed threads. Its ideal for engineers, quality inspectors, machinists, and maintenance teams who need reliable go no go checks to confirm thread size and tolerance. Built from hardened steel, this gauge delivers durable, long lasting performance in