10-9 x 1 3/4 Square Drive Round Washer Head Deep Thread Type 17 Wood Screw 2/3 Thrd Black Ox 3/4-10 which means that it has

which means that it has a sharp point and a coarse thread

With its 4-inch length

and the flat trim head sits flush with the surface of the material being fastened

meaning that it has 20 threads per inch

which allows for easy installation using a screwdriver

10-9 x 1 3/4 Square Drive Round Washer Head Deep Thread Type 17 Wood Screw 2/3 Thrd Black Ox 3/4-10 which means that it has10 9 x 1 3 4 Square Drive Round Washer Head Deep Thread Type 17 Wood Screw 2 3 Thrd Black Ox is a screw designed for use in woodworking applications. It features a square drive head that requires a square driver bit for installation. The washer head provides a larger bearing surface, distributing the load over a wider area to prevent the screw from sinking into the wood. The deep thread design provides increased holding power, making it ideal for use