Min. Order Reference FOB Price
100 Pieces US$0.01-1.00 / Piece
Product Description
Sdlf Drilling Screw Drilling screw, also known as self-drilling screw, dovetail screw. The screw tail is drilling tail or sharp tail, no need to assist processing, in the assembly of the screw can drill out the center hole, and then with the help of the adjacent thread part in the carrier hole ...