8 x 1 1/2 Square Drive Round Washer Head Deep Thread Type 17 Wood Screw 2/3 Thrd Black Ox AH while its 1 1/4-inch outer

while its 1 1/4-inch outer diameter creates a wider bearing surface

The split lock washer provides additional holding power by digging into the mating surface

particularly when attaching drywall to particle board

which provides a secure and easy-to-use grip

The wax coating provides lubrication for easier driving and reduces the risk of galling

8 x 1 1/2 Square Drive Round Washer Head Deep Thread Type 17 Wood Screw 2/3 Thrd Black Ox AH while its 1 1/4-inch outerThese 8 x 1 1 2 square drive round washer head deep thread type 17 wood screws feature a 2 3 thread and a black oxide finish. They are designed for use in wood applications and have a square drive that provides increased torque and prevents cam out. The round washer head provides a large bearing surface that helps to distribute the load and prevent the screw from sinking into the wood. The deep thread design provides increased holding power and