6-13 x 5/8 Square Phillips Drive Flat Head no Nibs Deep Thread Wood Screw Full Thd Black Ox WSAETH They have a square drive

They have a square drive head that requires a square driver bit to install

The 6-32 x 5/8 6-Lobe Pan Taptite Alternative Thread Rolling Screw Fully Threaded Zinc & Wax is a high-performance screw designed for use in a variety of applications

The 5/16-18 x 1 Hex Cap Screw Grade 5 Zinc Import is a high-quality fastener designed for a wide range of applications

The low crown design ensures a flush fit with the mating surface

The 14-10 x 3/4 Indented Hex Slotted Self Tapping Screw Type A Fully Threaded Zinc is a versatile and durable screw designed for a wide range of applications

6-13 x 5/8 Square Phillips Drive Flat Head no Nibs Deep Thread Wood Screw Full Thd Black Ox WSAETH They have a square driveThese 6 13 x 5 8 inch Square Phillips Drive Flat Head Wood Screws are designed for secure fastening in wood applications. Made of durable steel, they feature a black oxide finish for corrosion resistance. The square drive head provides a positive grip for easy driving, while the flat head sits flush with the surface for a clean finish. The deep thread design ensures a strong hold in wood, and the absence of nibs prevents splitting. These screws are