Top Quality Countersunk Self Drilling Screws - Longdrill self drilling screw – Shuangzi

Features: Special process and characteristic advantages:
  1. Galvanized surface , high brightness, strong corrosion resistance.
  2. Carburize tempering treatment, high surface hardness.
  3. Advanced technology, high locking performance.
Product Usage:
  1. Apply to metal plate, galvanized steel plate, metal curtain wall, metal light compartment, aluminum door and window, indoor and outdoor decoration.
  2. General angle steel, channel steel, iron plate, PC Board and other metal material combining installation.
  3. Suitable for assembling steel roof, automobile body, container, shipbuilding industry, freezing equipment and so on.
Optimum drilling thickness: The thickness of the bond steel plate shall not exceed 5mm  Parameter:
Item Longdrill self drilling screw
Material Carbon steel ,C1022A,stainless steel,,,
Head Type Hex head, csk head, truss head, pan head,,,,
Surface treatment White zinc,blue white zinc,yellow zinc,colored painted,
Standard DIN,ISO,,,,,,
Thread Fine, coarse
Package Small box+ carton / 25kg bag
Delivery time In stock within 7workdays. OEM or customize about 25~40days.
Samples Available
 Dimension:   Product pictures: