JBO Thread Plug Gauge - Metric Coarse Go/No-Go - Right Hand - 4H - M20 x 2.5 NCDC Drill Chuck Standard: DIN 212‑B specification aligns

Standard: DIN 212‑B specification aligns with common industrial reaming protocols

78 mm delivers precise hole finishing to ISO H4 tolerance in demanding materials

5 for precise corner definition

and improves surface finish in a variety of through-hole applications

Corner Radius for Accurate Edges and Longer Tool Life: The corner radius delivers durable

JBO Thread Plug Gauge - Metric Coarse Go/No-Go - Right Hand - 4H - M20 x 2.5 NCDC Drill Chuck Standard: DIN 212‑B specification alignsThe JBO Thread Plug Gauge is a Go No Go inspection tool calibrated specifically for metric coarse threads. Its ideal for engineers, machinists, quality teams, and even advanced hobbyists who need to verify threaded holes quickly and confidently, ensuring that parts fit precisely and function as intended. Designed for M20 x 2. 5 coarse thread holes, this gauge features right hand orientation and a 4H tolerance to align with standard components. Crafted