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

which allows for easy installation using a screwdriver

meaning that it has 20 threads per inch

10-32 x 1/2 Phillips Flat Undercut Thread Cutting Screw Type 23 Fully Threaded Zinc is a small

With its 4-inch length

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