1lb ss 10x3 deck screw. These self counter sinking bugle heads set flush with work surface. The square drive, No. 2 head, is deep and cleanly formed and is coated with a nonstick clear, dry, lubricating film which enhances driveability. Self-tapping coarse threads and self-drilling points with the Beaver Bite requires less driving torque. Grade 305 stainless steel. 1 square drive bit is included with each box. Suitable for new treated lumber. Thread Diameter: #10, Length: 3", Pkg Size: 1 lb, Drive Type: Square, Pkg Qty: 68 No. S10300DB5: Thread Diameter: #10, Length: 3", Pkg Size: 5 lb, Drive Type: Square, Pkg Qty: 340