#6 x 12mm (1/2'')..Truss head Zinc screw Qty 100
Truss Head Tapping Thread Robertson steel screwsThe original /L Robertson Square drive screw with Zinc finish.
Type A sheet metal threads for fast tapping into sheet metal,plastic or wood.
Sharp point for excellent material engagement and thread starting
Variety of sizes and head styles 6 gauge to 10 gauge 10mm to 25mm length
Windows and Doors