The Asimeto 682 Series Plug Thread Gauge in metric size is a precise tool for verifying internal M21 x 1 threads. Designed for machinists, inspectors, and maintenance teams, this right-hand gauge ensures quick, reliable checks of the thread pitch diameter to 6H tolerance.

• Thread Size: Metric internal thread gauge for M21 x 1, with right-hand orientation.
• Tolerance Class: Conforms to 6H, providing accurate pitch diameter verification for metric threads.
• Design: Cylindrical body with precisely machined ends that engage the thread profile consistently.
• Materials: Built from high-quality materials to endure frequent use in workshop environments.
• Ease of Use: Simple insertion and withdrawal for fast, repeatable thread checks during QC and production checks.

This plug gauge helps you confirm that internal threads will accept mating parts with the correct fit, reducing assembly issues and scrap. Ideal for quality control benches, machining shops, and maintenance workflows, it supports reliable thread verification without guesswork. The rugged construction and metric 6H compliance make it a dependable addition to any precision manufacturing toolkit, ensuring consistent performance across multiple inspections and production runs.