These screws are made of 410 stainless steel, high hardness (40 Rockwell C), resist corrosion in mild environments, applied to steel work.
Standard hex screw, can be easily installed with 1/4 inch hex screw.
Precise screw design, thread can reduce resistance when screwed in to prevent cracking. There is no need to drill a hole first, sharp tail is easy to drill.
Dimensions: Screw Diameter: #8 (4.2mm); Screw Length: 13/19/25.4mm; Head Diameter: 6.25mm; Head Thickness: 3.1mm
Sheet metal head screw, complete drilling and cutting at once. First use the drill tip to drill and then use the screw to thread and fasten which can save time and improve efficiency.