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2. Robertson screw - Wikipedia

   en.wikipedia.org/wiki/Robertson_screw

   The internal-drive square socket for screws (as well as the corresponding triangular socket drive) had been conceived several decades before the invention of the Robertson screw and driver. An earlier patent covering both square-socket- and triangle-socket -drive wood screws, U.S. patent 161,390 , was issued to Allan Cummings of New York City ...

3. List of screw and bolt types - Wikipedia

   en.wikipedia.org/wiki/List_of_screw_and_bolt_types

   Drywall screws designated as fine are the most common screws to use the twinfast style of threads. [5] wood screw: A metal screw with a sharp point designed to attach two pieces of wood together. Wood screws are commonly available with flat, pan, or oval-heads. A wood screw generally has a partially unthreaded shank below the head.

4. Home Depot - Wikipedia

   en.wikipedia.org/wiki/Home_Depot

   This is an accepted version of this page This is the latest accepted revision, reviewed on 6 December 2024. American multinational home improvement supplies retailing company The Home Depot, Inc. An aerial view of a Home Depot in Onalaska, Wisconsin Company type Public Traded as NYSE: HD DJIA component S&P 100 component S&P 500 component Industry Retail (home improvement) Founded February 6 ...

5. 73 Brands That Are Still Made Right Here in the USA - AOL

   www.aol.com/73-brands-still-made-usa-123000180.html

   $25 from Home Depot Shop Now Available on eBay. Based in Rockford, Illinois, Estwing been designing and making hammers, axes, specialty tools, and pry bars since 1923. The company is well known ...

6. Staple (fastener) - Wikipedia

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

   Most kinds of staples are easier to produce than nails or screws. The crown of the staple can be used to bridge materials butted together. The crown can bridge a piece and fasten it without puncturing, with a leg on either side, e.g. fastening electrical cables to wood framing. The crown provides greater surface area than other comparable ...

7. Lie-Nielsen Toolworks - Wikipedia

   en.wikipedia.org/wiki/Lie-Nielsen_Toolworks

   Lie-Nielsen uses manganese bronze and ductile iron castings, and cryogenically treated A-2 steel.. Manganese bronze, a very hard, strong alloy, is the material of choice for Lie-Nielsen tools because it is heavier than iron, doesn't rust, and won't crack if dropped.