Carbon steel Hex washer head self tapping screw and self drilling screw with washer/good quality / good price

Hex washer head self tapping screw

3. Size: ST3.5-ST6.3.
4. Finish: ZP, Ruspert, Dacromet.
5. Head type: CSK, pan, truss, hexagon, round, slotted head, flange,nylon
6. Thread type: Coarse thread, fine thread.
7. Drill tail: 2#, 3#.4#,5#
8. Delivery time: Normally in 30-40 days.
9. Package: Cartons & pallets or according to customer's requirement.

Main Features

Self-Tapping screws have hardened drill points that will drill and thread in structural steel, mild steel, aluminum and wood. These drill points are manufactured in the same method as the high speed drill bits. Self-srg screws are available in a variety of finishes with unique product features to suit a wide range of conditions.
For the fastening process in steel, they are used on steel frame construction or fastening other materials on steel.
For the fastening process in wood, they are used for applications in wood structures or industrial lightweight constructions, such as roof deck, flooring.
For the fastening process in aluminum, they are used for special industrial applications, construction and manufacturing of windows.