FOR POCKET HOLE: The pocket hole screws with half thread, can make strong joints on woods, pull woods tightly and securely.
FOR OUTDOOR USE: Blue coated pocket hole screws with three Anti-corrosion layers, has better anti-rust and anti-corrosion performance,protection against various outdoor conditions.
SQUARE DRIVE & WASHER HEAD: Square drive prevents bit slipping .And the washer head avoids overdriving.
COARSE THREAD & SELF-TAPPING: Wood screws With sharp self-tapping point, provide aggressive power and drive into wooden easily. Use for treated lumber, pilot hole needed.
HIGH QUALITY MATERIAL: Sturdy and durable. Will not break when driving into material.