????【Type】:Self Drilling Screws (sometimes called self-tapping screws)
????【Material】: Made of high quality carbon steel , sturdy and no stripping. Nice Zinc Plated finished, resist corrosion and rust, will last a lifetime even exposed to wet joint compound or paint.
????【 Includes】: M4.2 * 13MM（#8 x 1/2 inch) - -100 PCS
????【Wide Use】: For use in Steel, Sheet Metal, and attaches Metal or Steel to Metal or Sheet Metal Steel.
????【Portable & Storage】:All of screws will be packed in a sturdy box.
Colour: Blue White
Size: M4.2*13mm