4-40 x 3/8 Phillips Flat 100º Taptite Alternative Thread Roll Screw Full Thrd Zinc & Wax 1 5/8 and its washer head helps

and its washer head helps to distribute the load and prevent the screw from pulling through the material

The 4-40 x 1/2 Phillips Pan Internal Sems Machine Screw Fully Threaded 18-8 Stainless Steel is a versatile and durable screw that is perfect for a variety of applications

It is also narrow

They are made of steel and have a zinc coating for corrosion resistance

The Shoulder Washer Nylon is suitable for use in both indoor and outdoor environments

4-40 x 3/8 Phillips Flat 100º Taptite Alternative Thread Roll Screw Full Thrd Zinc & Wax 1 5/8 and its washer head helpsThe 4 40 x 3 8 Phillips Flat 100 Taptite Alternative Thread Roll Screw Full Thrd Zinc & Wax is a versatile and durable screw designed for various applications. Its 4 40 thread size and 3 8 inch length provide a secure hold in a wide range of materials. The Phillips flat head allows for easy driving, while the 100 point creates a strong thread engagement. The Taptite alternative thread design eliminates the need for tapping, reducing installation time