Blue-Kote™ Pocket-Hole Screws.
Blue-Kote™ Screws feature three anti-corrosion layers, making them the perfect choice for a wide variety of indoor and outdoor projects. Blue-Kote™ Screws provide rust resistance up to 400% greater than zinc-plated screws and work with pressure-treated material.
Coarse thread – work best in softwoods
Fine thread – works best in hardwoods
Woodworking Article: Choosing the correct Kreg Screw.