100 Pieces Gypsum Screw Fine Threaded Black 3.5*1' for metal/plastic

1. Self-tapping screws are used for joining materials without pre-drilled holes, though a pilot hole can be helpful. 
2. They are suitable for metal and plastic applications. 
3. These screws have a higher tensile strength, making them durable and able to withstand higher torque forces. 
4. Self-tapping screws can be removed and reused. 
5. They come in different head types, such as round or countersunk, depending on the application. 
6. They can hold around 80 to 100 pounds, depending on the length and angle of insertion. 

100pcs screws