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2. Molly (fastener) - Wikipedia

   en.wikipedia.org/wiki/Molly_(fastener)

   A machine screw is screwed into the sleeve, causing the anchor to bend, expand, spread and grip against the inside of the hole or behind it (in hollow contexts such as drywall over stud cavities, or hollow doors). [1] Mollies come in various diameters and grip lengths (shank lengths) for different drywall thicknesses and to support different ...

3. List of screw and bolt types - Wikipedia

   en.wikipedia.org/wiki/List_of_screw_and_bolt_types

   self-tapping machine screw: A self-tapping machine screw is similar to a machine screw, except the lower part of the shank is designed to cut threads as the screw is driven into an untapped hole. The advantage of this screw type over a self-drilling screw is that, if the screw is reinstalled, new threads are not cut as the screw is driven. set bolt

4. Nail (fastener) - Wikipedia

   en.wikipedia.org/wiki/Nail_(fastener)

   Before the 1850s bocce and pétanque boules were wooden balls, sometimes partially reinforced with hand-forged nails. When cheap, plentiful machine-made nails became available, manufacturers began to produce the boule cloutée—a wooden core studded with nails to create an all-metal surface. Nails of different metals and colors (steel, brass ...

5. Punch (tool) - Wikipedia

   en.wikipedia.org/wiki/Punch_(tool)

   A center punch is used to mark the center of a point. It is usually used to mark the center of a hole when drilling holes. A drill has the tendency to "wander" if it does not start in a recess. A center punch forms a large enough dimple to "guide" the tip of the drill. The tip of a center punch has an angle between 60 and 90 degrees. [1]

6. Wall plug - Wikipedia

   en.wikipedia.org/wiki/Wall_plug

   This is inserted loosely into a drilled hole, then a screw is tightened into the centre. As the screw enters the plug, the soft material of the plug expands conforming tightly to the wall material. Such anchors can attach one object to another in situations where screws, nails, adhesives, or other simple fasteners are either impractical or ...

7. Screw gun - Wikipedia

   en.wikipedia.org/wiki/Screw_gun

   A screw gun that uses collated screws is known as a collated screw gun. Some screw guns can be set to stop driving the screw at a certain depth, which may be up to two inches below the surface. It is possible to drive a series of screws with the motor running continuously, and many manufacturers recommend doing this to install drywall .