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Inch-sized wood screws in the U.S. are defined by ANSI-B18.6.1-1981(R2003), while in Germany they are defined by DIN 95 (Slotted raised countersunk (oval) head wood screws), DIN 96 (Slotted round head wood screws), and DIN 97 (Slotted countersunk (flat) head wood screws). Security head screw
Wood screws are a common type of screw in furniture. A furniture screw can refer to any type of screw (and sometimes nut) used on furniture. Different types of screws have different uses in furniture. [1] According to a 1986 article in New York Times, screws on old furniture can be difficult to remove due to rust. [2]
Chalk line or ink line used to snap lines on the wood. Ink and a slurry of charcoal were used like chalk. Carpenter pencil; Scratch awl or similar tools were used to scratch lines on wood before the pencil was commonly used beginning in the 19th century in the U.S. Try square; Steel square is also known as a framing square. Historically a ...
Closely related to the carriage bolt is the timber bolt (also called mushroom-head bolt and dome-head bolt), meant to fasten wood to wood (rather than metal to wood), for use with large wood planks and structures. It has a domed head that is proportionally wider than that of a carriage bolt.
A lathe of 1871, equipped with leadscrew and change gears for single-point screw-cutting A Brown & Sharpe single-spindle screw machine. Fasteners had become widespread involving concepts such as dowels and pins, wedging, mortises and tenons, dovetails, nailing (with or without clenching the nail ends), forge welding, and many kinds of binding with cord made of leather or fiber, using many ...
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