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. No. S08200DB1: Screw size: 8 x 2", head size: .344, 128 pieces, 1 lb. box No. S08200DB5: Screw size: 8 x 2", head size: .344, 640 pieces, 5 lb. box No. S10250DB1: Screw size: 10 x 2 1 2", head size: .344, 82 pieces, 1 lb. box No. S10250DB5: Screw size: 10 x 2 1 2", head size: .344, 410 pieces, 5 lb. box No. S10300DB1: Screw size: 10 x 3", head size: .344, 68 pieces, 1 lb. box No. S10300DB5: Screw size: 10 x 3", head size: .344, 340 pieces, 5 lb. box