Asimeto Ring Thread Gauge (NoGo) - Metric - Right Hand - 6g - M24 x 1.5The Asimeto Ring Thread Gauge (NoGo) is a precision metric ring gauge designed to verify the thread pitch diameter of M24 x 1. 5 righthand threads within the 6g tolerance class. Ideal for machinists, quality control teams, and fastener manufacturers, it provides a reliable go no go check to ensure correct sizing before assembly. Series and designation: 686 Series NoGo ring gauge for metric 6g threads, righthand Thread size and direction: M24 x 1. 5,