Description
TAP METRIC PLUG STYLE CARBON STEEL SPARK PLUG 14.0 X 1.25
- Heat treated and tempered for file hard threads, and longer, useful life
- Designed for hand cutting applications
- Plug style tap is the most commonly used style of tap - 3 to 5 threads chamfered at tip
- Use 1/2" drill bit for best results
- SP stands for spark plug threads