1. MODEL: CO0245 2. Male female screws 3. Hex brass threaded fasteners 4. We are ... thread fasteners brass hex male female screws2. Feature: male female screws, male screw female thread, thread screw fasteners 3. Machining: ... Turning, CNC Milling, automatic Turning , automatic Milling, Drilling, threading, tapping, casting etc4. Finish: color anodizating, passtive, polishing, zinc plating, nickel ...