They are sometimes notched (Type-17 Point) at the tip to aid in chip removal during thread cutting. Sheet metal screws are also the go to fasteners for use with plastic wall anchors in drywall. Making this the screw for almost anything! Metric 18-8 Stainless SteelPhillips Flat Head Screws | LILY Bearing 12 Wood Screws 12 X 2-1/2" Zinc Plated Phillips Pan Head Sheet Metal Screw 12 Screws Sheet metal screws make excellent fasteners for attaching metal hardware to wood because the fully threaded shank provides good retention in wood. Right Hand Thread 3/8 Inch Machine Screws These screws come in many types of heads, pan, flat, truss, oval, etc. The shanks are threaded up to the head or to the undercut. An 18-8 stainless steel thread forming tapping screw with spaced threads and a gimlet point