8 x 1 1/2 Square Drive Round Washer Head Deep Thread Type 17 Wood Screw 2/3 Thrd Black Ox AH The split lock washer provides

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

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

The 4-24 x 7/8 #3HD Phillips Pan High Low Screw Fully Threaded Zinc is a type of screw with a Phillips drive head

The indented hex washer head allows for easy installation with a wrench or socket

and securing HVAC equipment

8 x 1 1/2 Square Drive Round Washer Head Deep Thread Type 17 Wood Screw 2/3 Thrd Black Ox AH The split lock washer providesThese 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