Self-tapping screws are usually drilled into pre-made holes (pilot holes) in metals, such as zinc, aluminum, and bronze and its alloys, as well as plastics and resin-impregnated plywood. They create ...

These screws are used to cut or form a mating thread when driven into preformed holes. They permit rapid installation, since nuts are not used and access is required from only one side of the joint.

Twist drills do not make accurately sized or good finish holes; a reamer of some type is often used to cut the final size and finish. A reamer will not make the original hole; it will only enlarge a ...

The new taps include (top to bottom) Paradur® Ti Plus for threading blind holes in titanium alloys; Paradur® Ni 10 for tapping nickel-based super alloys, such as Inconel 718; and Prototex® TiNi Plus ...

Self-tapping screws are designed to create their own threads as they are driven into masonry. Unlike other fasteners, contractors do need to drill a hole or tap threads in a separate step. This ...

SPOKANE, Wash., March 16, 2026 /PRNewswire/ -- What's the right type of screw to use for metal, wood, or plastic? A HelloNation article helps answer that question by highlighting insights from Tanner ...