9-10 x 2 1/2 Square Phil Drive Flat w/Nibs Deep Thread Wood Screw 2/3 Thread Type 17 Black Ox KPW The washer has a 3/8-inch

The washer has a 3/8-inch hole and a 2 1/2-inch outside diameter

This M8 x 60 DIN 931 8

they provide a secure connection in various materials

it offers excellent corrosion resistance for long-lasting performance in various applications

allowing for easy installation with either a screwdriver or drill

9-10 x 2 1/2 Square Phil Drive Flat w/Nibs Deep Thread Wood Screw 2/3 Thread Type 17 Black Ox KPW The washer has a 3/8-inchThese 9 10 x 2 1 2" square Phil drive flat with nibs deep thread wood screws are made of steel and have a black oxide finish. They are designed for use in wood applications and have a 2 3 thread type. The square Phil drive head provides a secure grip for driving, and the nibs help to prevent the screw from slipping out of the wood. These screws are ideal for a variety of projects, including framing, decking, and cabinetry.