Truthread Thread Ring Gauge (NoGo) - UN - Right Hand - 2A - 1.5/16x20 ISO Insert - KN Style this HSS (M2) reamer provides

this HSS (M2) reamer provides dependable performance with tight tolerances

this reamer provides efficient material removal and stable performance through demanding reaming operations

Chemical and oil resistance: Robust PVC vinyl compound resists oils

This gauge is designed for reliable daily use in machining

Truthread Thread Ring Gauge (NoGo) - UN - Right Hand - 2A - 1.5/16x20 ISO Insert - KN Style this HSS (M2) reamer providesTruthread Thread Ring Gauge (NoGo) is a precision inspection tool designed specifically for Unified National (UN) threads. This Right Hand, 2A NoGo gauge is calibrated to verify that a threaded part remains within tolerance, focusing on the minimum material condition so the part isnt undersized and will still engage reliably. Ideal for QA teams, machine shops, and field inspectors, this gauge supports fast, confident checks of threaded components. By