Be Informed To Use Your Self-tapping Screw

Self-tapping screw @ would only require a pilot hole to be drilled first, which makes it easy for it to be drilled inside. Make sure the pilot hole is neither too big nor too small as it would make the self-tapping screw be properly placed. Even then fear not any fiascoes, as you can always take it out and give another shot. Flexibility of these screws you see!