butterfly anchor bolts

The key benefit of self-drilling drywall anchors is their convenience. Traditional anchors require the use of a drill and potentially a separate drill bit to create a pilot hole before the anchor can be inserted. This can be a time-consuming and cumbersome process, especially for those who do not have much experience with power tools. Self-drilling anchors eliminate the need for drilling pilot holes, making the process of hanging items on drywall faster and simpler.

...

Another compelling advantage of self-drilling screws is the secure fastening they provide. The design of these screws allows for a strong bond between materials, ensuring that connections hold up over time. The 2-inch length is particularly useful for thicker materials or applications requiring additional grip. The deep threads and robust shaft of these screws help enhance their load-bearing capacity, making them an excellent choice for high-stress applications.


...