[1000 BULK] Wood Screws Deep Thread Square Drive Round Washer Head Fully Threaded Steel Black Oxide 8 X 4

Engineered for durable wood fastening, the Wood Screws Deep Thread Square Drive Round Washer Head Fully Threaded Steel Black Oxide 8 X 4 delivers reliable performance in a variety of wood projects. The combination of deep threads, a square-drive head, and a round washer head ensures maximum grip, even in hardwoods, while the fully threaded shank provides consistent holding power from start to finish.

Key Features

• Square Drive (Robertson) Design minimizes cam-out for easier, more precise driving.
• Deep Thread optimizes withdrawal resistance and holding power in soft and hardwoods.
• Round Washer Head distributes load and helps prevent pull-through on soft wood.
• Fully Threaded Shank delivers uniform bite along the entire screw length.
• Steel with Black Oxide Finish offers durability and corrosion resistance with a sleek, low-gloss appearance.
• Size: 8 x 4 standard wood screw size suitable for a range of thicknesses.

Applications

Ideal for wood-to-wood fastening in cabinetry, furniture, framing, shelving, decking, and general carpentry where a strong, durable fastener is required.

Installation Tips

• Pre-drill pilot holes to prevent splitting, especially in hardwoods.
• Use a square-drive bit to maximize bite and reduce cam-out.
• Choose a pilot hole size appropriate for the screw diameter and wood species.
• Drive the screw until the head is flush with the surface for a clean, professional finish.