Century Drill & Tool Carbon Steel Plug Tap 5/8-11 NC Size:5/8"x11 NC prepare a couple of extra

prepare a couple of extra in case your yield is larger than you expect

Additional Accessories: DymaSerts

braided stainless steel

Can be connected to other compatible BRK or First Alert CO/smoke detectors within a single family residence

or home office

Century Drill & Tool Carbon Steel Plug Tap 5/8-11 NC Size:5/8"x11 NC prepare a couple of extraPrecision cut threads, accurately formed for consistent, exact threading Heat treated and tempered for file hard threads and longer useful life Designed for hand cutting applications The plug style tap is the most commonly used style of tap with 3 to 5 threads chamfered Best drill: 17 32