Double-ended screws are self-tapping wood threads at one end that lock directly into soft materials (wood). The other end is a mechanical thread, which can be locked with a nut. Because of its simple installation, good concealment and high strength, it is very popular among customers.
Specification:
Material: carbon steel
Color: Color Zinc
Size: 1/4-20x3inch
Packing: 10PCS
Note:
1. When purchasing, choose the size, plane position and style according to the installation needs. There will be some errors in manual measurement, but it will not affect the use.
2. Mechanical threaded ends (flat ends) cannot be used with a hammer as it will render the thread unusable.