Go/No Go Plug Gauge Set (3) - 9/16-18 Unc 2A, 1/2-20 Unf 2A, .5625-12 UNC-2B

This set of Go/No Go plug gauges includes three precision-engineered gauges designed for accurate measurement and inspection of threaded holes. The set comprises gauges in the following sizes: 9/16-18 UNC 2A, 1/2-20 UNF 2A, and .5625-12 UNC-2B. Each gauge is crafted to ensure compliance with the Unified National Coarse (UNC) and Unified National Fine (UNF) standards, providing reliable verification of thread dimensions. The 9/16-18 UNC 2A gauge is suitable for checking coarse threads with a 9/16-inch diameter and 18 threads per inch, while the 1/2-20 UNF 2A gauge is designed for fine threads with a 1/2-inch diameter and 20 threads per inch. The .5625-12 UNC-2B gauge is intended for coarse threads with a .5625-inch diameter and 12 threads per inch. These gauges are essential tools for ensuring that threaded components meet specified tolerances, preventing assembly issues and ensuring quality control in manufacturing processes.