The OSG Plug Tap is a high-quality hand tap designed for metalworking applications. With a 1" - 14 Tap Thread Size, this tap is suitable for a variety of projects. The 4FL Plug S/O 11367-01 is a specific type of plug tap that is ideal for creating plug threads for metalworking processes. The OSG brand ensures reliability and precision in the cutting and threading of metal. Ideal for professionals in CNC, metalworking, and manufacturing industries.