8-11 x 3/4 Square Drive Round Washer Head Deep Thread Wood Screw Type 17 Full Thrd Zinc & Bake 1 1/4-7 and that the screw is

and that the screw is designed to be used in exterior applications

It has a 5/16-14 thread size

while the fully threaded design ensures maximum engagement

These 10-32 Serrated Flange Hex Lock Nuts are case hardened and made of HR15N 78/90 steel

8-11 x 3/4 Square Drive Round Washer Head Deep Thread Wood Screw Type 17 Full Thrd Zinc & Bake 1 1/4-7 and that the screw is8 11 x 3 4 Square Drive Round Washer Head Deep Thread Wood Screw Type 17 Full Thrd Zinc & Bake is a screw with a square drive, round washer head, and deep thread. It is made of steel and has a zinc and baked on finish. The screw is 8 11 inches long and has a diameter of 3 4 inches. It is a full thread screw, meaning that the threads extend the entire length of the screw. This type of screw is commonly used in woodworking applications.