The Asimeto 682 Series plug gauge for metric threads is a precision tool built for engineers, machinists, and quality-control professionals who need reliable verification of internal threads in metric fasteners. Designed for M20 x 1 right-hand threads and the 6H tolerance class, it delivers accurate pitch-diameter checks to ensure proper fit and consistent performance in manufacturing and maintenance tasks.

• Thread size: Metric M20 x 1, right-hand thread, intended for internal thread verification
• Tolerance class: 6H, providing accurate pitch-diameter measurements aligned with standard metric specifications
• Series: 682 Series plug gauge, engineered for precision and durability
• Construction: Cylindrical body with a textured, knurled finish for secure handling and repeatable use
• Material quality: Built from high-quality materials to endure daily workshop use and maintain accuracy over time
• Measurement orientation: Specifically configured for right-hand metric threads to ensure correct engagement during checks

This gauge enables quick, repeatable verification of thread engagement and pitch diameter, helping you prevent mismatches before assembly, reduce rework, and maintain consistent part quality. It’s ideal for machine shops, manufacturing floors, maintenance teams, and quality labs that require dependable internal-thread inspection for precision fasteners in automotive, industrial equipment, and precision assemblies.