Designed for use with .297-inches O.D. casing and for ferrule nuts HF131, HF133, etc. The Mr. Speedometer HN105 Hex Nut features a 5/8-18 thread. This ferrule nut is made from top-quality materials and is very reliable and durable.
- Thread Size: 5/8"-18 Thread
- Use with HF131, HF133, HF104