Kreg SML-C150S5-100 Pocket-Hole Screw #8 Thread 1-1/2 in L Coarse Thread Maxi-Loc Head Square Drive Sharp Point

Kreg® stainless screws are specially designed for maritime applications, excessive exposure to water and other exceedingly corrosive environments, such as ACQ-treated lumber. If you're looking for the excellent in rust-prevention, this is your solution.