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2. List of screw and bolt types - Wikipedia

   en.wikipedia.org/wiki/List_of_screw_and_bolt_types

   Similar to a wood screw, except that it is generally much larger running to lengths up to 15 in (381 mm) with diameters from 0.25–0.5 in (6.35–12.70 mm) in commonly available (hardware store) sizes (not counting larger mining and civil engineering lags and lag bolts) and it generally has a hexagonal drive head.

3. Wall stud - Wikipedia

   en.wikipedia.org/wiki/Wall_stud

   Stud. Sill plate / sole plate / bottom plate. Wall studs are framing components in timber or steel -framed walls, that run between the top and bottom plates. It is a fundamental element in frame building. The majority non- masonry buildings rely on wall studs, with wood being the most common and least-expensive material used for studs.

4. Framing (construction) - Wikipedia

   en.wikipedia.org/wiki/Framing_(construction)

   The top and bottom plates are end-nailed to each stud with two nails at least 3 + 1 ⁄ 4 in (83 mm) in length (16d or 16-penny nails). Studs are at least doubled (creating posts) at openings, the jack stud being cut to receive the lintels (headers) that are placed and end-nailed through the outer studs. [10] Moisture barrier sheathing with ...

5. Molly (fastener) - Wikipedia

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

   Molly fastener. A molly or molly bolt (often misspelled moly[1]) is a type of screw fastener that fastens objects to plaster or gypsum board hollow walls by providing an anchor to be lodged inside a hole and expanded once in position. Larger sizes permit reasonably heavy objects, such as shelving, flatscreen-TV mounts or central-heating ...

6. Screw - Wikipedia

   en.wikipedia.org/wiki/Screw

   Screw. An assortment of screws, and a US quarter for size comparison. A wood screw: a) head; b) non-threaded shank; c) threaded shank; d) tip. The six classical simple machines. A screw is an externally helical threaded fastener capable of being tightened or released by a twisting force (torque) to the head. The most common uses of screws are ...

7. Pilot hole - Wikipedia

   en.wikipedia.org/wiki/Pilot_hole

   Pilot hole. In construction, a pilot hole is a small hole drilled into a piece of construction material. Its purpose may be: locate, guide, and provide clearance for a self-threading screw in wood or plastic to prevent damaging the material or breaking the screw. Throughout history, innovations in simple tools and techniques have profoundly ...