9-10 x 3/4 Square Drive Flat Head No Nibs Deep Thread Wood Screw Type 17 Full Thrd Black Ox IPPBZ which means they can be

which means they can be driven into metal or plastic without the need for a pre-drilled hole

and the fully threaded design provides a secure hold

It features a sharp point that allows it to penetrate metal without the need for pre-drilling

preventing it from pulling through the material it is being used in

These 4-40 x 1/8 Phillips Fillister Head Machine Screws are fully threaded and made of zinc-plated steel

9-10 x 3/4 Square Drive Flat Head No Nibs Deep Thread Wood Screw Type 17 Full Thrd Black Ox IPPBZ which means they can beThese 9 10 x 3 4 inch square drive flathead wood screws are designed for secure fastening in wood applications. They feature a deep thread design for increased holding power and a full thread for maximum engagement. The square drive head provides a secure grip for driving, preventing cam out. These screws are made of durable steel and coated with a black oxide finish for corrosion resistance. They are ideal for use in a variety of woodworking