As the screw cuts, it produces dust. Masonry screws are engineered to clear dust away from the area to prevent binding. For ...

To tap a hole normally you need to locate it accurately, make a pilot hole with a center drill — ensuring it is straight and true — then drill through with the undersized tap drill, and ...

The patented and cleverly designed No Drill & Tap Scout Scope Mounts from Brenshok LLC are the rare exception.