8-11 x 5/8 Square Drive Flat Head No Nibs Deep Thread Wood Screw Type 17 Full Thrd Black Ox ABPT The screws are made of

The screws are made of steel and have a high-low thread pattern that provides a secure hold in wood and other materials

These lock washers are commonly used in automotive

making these screws ideal for both indoor and outdoor use

which allows it to be driven flush with the surface of the material

8-11 x 5/8 Square Drive Flat Head No Nibs Deep Thread Wood Screw Type 17 Full Thrd Black Ox ABPT The screws are made ofThese 8 11 x 5 8" Square Drive Flat Head No Nibs Deep Thread Wood Screws are Type 17 full thread screws with a black oxide finish. They are designed for use in woodworking applications and feature a square drive head for easy installation. The deep thread design provides increased holding power, while the flat head sits flush with the surface of the wood. These screws are made of steel for strength and durability.