Hex Head Self Drilling Screw with EPDM Washer, Steel, Yellow Zinc Plated #12 Pack 10 PCS(copy)
Suitable for drilling through metal sheets. Suitable for drilling through gypsum board / wood board / Formica / smart board.
There are 2 thread frequencies: coarse threads (16 threads/inch) and fine threads (24 threads/inch).
Adheres to the workpiece well.