10-13 x 3 1/2 Phillips Flat Full Body 2/3 Thread Wood Screw Zinc M3 and the zinc plating helps

and the zinc plating helps to protect the screw from corrosion

It has a sharp point that allows it to drill its own hole

These 10-24 x 5/16 Slotted Indented Hex Washer Head Machine Screws are fully threaded and feature a zinc and green finish

These 10-24 x 1/2" Slotted Hex Washer Head Taptite Alternative Full Thread Screws are made of 410 stainless steel and have a passivate and wax finish

10-13 x 3 1/2 Phillips Flat Full Body 2/3 Thread Wood Screw Zinc M3 and the zinc plating helpsThe 10 13 x 3 1 2 Phillips Flat Full Body 2 3 Thread Wood Screw Zinc is a versatile and durable fastener designed for a wide range of woodworking applications. Its 10 13 thread size provides a secure hold in wood, while the 3 1 2 inch length ensures deep penetration. The flat head design sits flush with the surface for a clean and professional finish. The full body threads extend along the entire length of the screw, providing maximum holding power.