12-24 x 3/4 Phillips Flt Underct Full Thread Self Drill Scr Machine Sc Thread Zinc & Bake NWP2 The washer is made of

The washer is made of zinc-plated steel and is baked to provide additional corrosion resistance

this screw features a full thread design that provides a secure hold in a wide range of materials

This 1/4-20 x 1/2 Slotted Flat Undercut Machine Screw is made of zinc-plated steel and has a fully threaded body

They have a Phillips drive and a fillister head with a flat top and slightly rounded sides

12-24 x 3/4 Phillips Flt Underct Full Thread Self Drill Scr Machine Sc Thread Zinc & Bake NWP2 The washer is made of12 24 x 3 4 Phillips Flat Head Undercut Full Thread Self Drilling Screw Machine Screw, Zinc & Bake This screw is designed for use in a variety of applications, including metal, wood, and plastic. It features a Phillips flat head, an undercut design, and a full thread. The self drilling tip eliminates the need for pre drilling, making it easy to install. The zinc and bake coating provides corrosion resistance and durability.