R&K Tool 3/8-16 UNC 2B Thread Plug Gage is a precision internal-thread gauge sized for 3/8-16 Unified Coarse (UNC) threads in class 2B. It is used in inspection and quality control to verify that holes meet the 3/8-16 UNC 2B specification, ensuring proper fit for mating fasteners and components. Manufactured by R&K Tool, this plug gauge provides a straightforward tool for confirming thread accuracy during machining, tapping, and assembly processes.
