- Countersunk head hole screw: widely used for drilling screw holes in hard wood and wood layers.
- Countersink tool for wood: made of alloy materials that hardness, and sturdy without burr.
- Head drill bit: made of alloy materials that hardness, sharp and sturdy without burr.
- Wood screw countersink: sharp tungsten steel , fast drilling, cutting more smoothly.
- Self tapping screws: centerless grinding technology, handle diameter smooth stiffness.