Modified Truss head is extra wide with a low-profile dome and integral round washer.
Self Drilling Screws Using in Steel, Sheet Metal, and attaches Metal or Steel to Metal or Sheet Metal Steel. Installed with #2 X-Shaped Phillips Driver.
Wafer Head, Phillips Drive Truss head screws are mainly used in home appliances, furniture and many woodworking and DIY work, furniture and cabinet industry, because it has good holding power, suitable for non-metal or soft metal, no mounting holes, directly screwed into the product with truss head screws, no nut fit. Can achieve the effect of connection tightening.