Get the job done right with the Handi-Man Marine Phillips Flat Head Machine Screw Set. This hardware 4-pack is made of durable stainless steel and includes 2 machine screws and 2 hex nuts. Ideal for a variety of marine needs, the Handi-Man Marine Machine Screw Set is a vital addition to every tool kit. Available: -20 x 1-1/2. -20 x 2. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Screws.