Standard American Thread Plug Gauges: Sizes 1 3/16-8, 1 1/4-16, 1 5/16-12, 1 3/8-18-20 UNEF

These precision-engineered thread plug gauges are essential tools for accurately measuring and verifying the pitch diameter and thread quality of internal threads. Specifically designed to cover sizes 1 3/16-8, 1 1/4-16, 1 5/16-12, and 1 3/8-18-20 UNEF, these gauges ensure compatibility with Standard American threading specifications. Ideal for use in quality control and inspection processes, they help professionals maintain consistent standards across applications, ensuring proper fit and function of threaded components. Made from durable materials, these gauges offer reliability and longevity for repeated use in industrial and manufacturing settings. Material: Metal+ABS Gauge Type: Gauge Manufacture country: China Instructions included: No