Min. Order Reference FOB Price
1 Piece US$8,500.00-9,800.00 / Piece
Product Description
Product Description Automatic Self Drilling Forming Machine Factory Price Self Tapping Screw Making Machine Process Flow of Self Drilling/Tapping Screw Making: screw head forming---drill tail making---thread rolling---finished self drilling screw Step 1.Screw head forming ZM Series ...