The Asimeto 686 Series NoGo Ring Thread Gauge is a precision instrument for verifying metric threads to the 6g tolerance class. Designed for machinists, inspectors, and quality teams, it helps ensure only correctly sized fasteners are used in critical assemblies.

• Designation: NoGo ring gauge used to determine whether the thread pitch diameter is within the maximum allowable limit.
• Tolerance Class: 6g tolerance for metric threads, delivering tight, reproducible measurements.
• Thread Size: M33 x 1.5, right-hand metric thread specification for standard applications.
• Series and Construction: 686 Series gauge built with high-precision materials for durability and long-lasting performance.
• Measurement Principle: If a fastener cannot pass through the NoGo gauge, the pitch diameter is exceeding the specified limit, signaling the need for a correctly sized part.
• Orientation: Right-hand thread gauge aligns with common fastening standards in a wide range of industries.
• Durability: Robust construction designed to withstand repeated use in demanding workshop environments.

Using this gauge in incoming inspection and in‑process QC helps prevent undersized or oversized fasteners from entering assemblies, reducing rework and enhancing the reliability of joints. The precise pitch-diameter check supports consistent quality across production runs, making it a dependable tool for manufacturing, maintenance, and quality control teams that require strict thread compliance.