What are hand tools?

A hand tool is an instrument that is operated by hand rather than an engine. Many kinds of hand tools exist. Examples of hand tools include wrenches, pliers, cutters, files, unusual instruments, hammered instruments, screwdrivers, visors, clamps, snips, saws, drills, and knives.


History of Hand tools

Since the Stone Age, when stones were used for hammering and cutting, humans have used manual implements. Using casting, copper and tin alloy tools were made during the Bronze Age. Iron tools were robust, but bronze tools were sharper and tougher at that time. The instruments became much heavier and more robust when steel replace bronze. During this time, the Romans produce tools and are similar to those being manufactured today.


After the Industrial Revolution, the production of instruments has changed from being craftsman-made to being a production plant. St Albans Museums contains a comprehensive collection of British hand tools dating from 1700 to 1950. Raphael Salaman (1906-1993), who wrote two classic works on the subject, collected much of the instruments: Dictionary of Woodworking Tools and Dictionary of Leather-working Tools. David Russell wrote his book Ancient Woodworking Equipment with Western hand instruments’ lengths from the Stone Age to the twentieth century.


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Wrench: A wrench or spanner is a mechanism used to apply torque to transform objects, usually rotary fasteners such as nuts and bolts, to provide grip and functional advantages or discourage them from rotating. It is known as a spanner in Uk, Ireland, Australia, and New Zealand. The open-ended spanner and ring spanner are the most predominant shapes. It is known as a wrench in North America.


Pliers: Pliers are a hand tool used to tightly grasp Bronze Age European items, probably formed from tongs used to treat hot metal. They are also useful for a broad range of materials to bend and compress. From their beginnings, pliers’ foundational structure has changed little, with the pair of grips, the axis (often formed by a rivet), and the head segment representing the three elements with the grabbing jaws or cutting tips.


Cutters: A cutter is a device that uses for vibrating a cutting stylus in disc recording. Any instrument used to extract some material from the workpiece using eccentricity is a cutting tool or cutter. Using single-point or multipoint mechanisms, the cutting may be done. In rotating, shaping, planning, and related procedures, single-point machines are used, and material is withdrawn employing one cutting edge. Milling and drilling instruments are mostly multipoint instruments. It is a body that has teeth on it or edges that are cut. Multipoint tools are also grinding tools.

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File: A file is a medium used to extract from a workpiece fine quantities of material. In woodworking, metalworking, and other related commercial and hobby duties, it is popular.  Most are hand tools, crafted from a round, circular, triangular, or round cross-section case-hardened steel bar, with one or more surfaces cut with sharp, typically parallel teeth. At one end, a narrow, pointed tang, to which a handle can be fitted, is popular. A rasp is a type of file used for coarsely extracting significant volumes of material with separate, individually cut teeth.


Screwdriver: A manual or driven screwdriver is a mechanism used for screwing (installing) and unscrewing (removing) screws. Before turning the key, a traditional simple screwdriver has a handle and a shaft, resulting in a tip that the user places into the screw head. In many offices and households, this style of screwdriver has been replaced by a more modern and reliable tool, a power drill, as it is simpler, simpler, and can dig holes as well. To avoid bending or turning, the shaft is normally made of durable steel. To prevent wear, the tip may be hardened, coated with a dark tip coating for increased tactile contrast between tip and screw, or ridged or treated for extra ‘grip’.


Typically, handles are wood, brass, or plastic and typically cross-sectionally hexagonal, rectangle, or oval to increase grip and prevent the instrument from rolling when set. Some manual screwdrivers have interchangeable tips that fit mechanically or magnetically into a socket at the end of the shaft and are left in it. These also have a hollow handle containing different tip shapes and sizes, and a reversible ratchet action that allows for several complete turns without repositioning the tip or the hand of the user.


Vise: A mechanical mechanism used to protect an item to allow it to be operated on is a vise (American English) or vice (other English-speaking countries). Vises have two parallel jaws, one rigid and the other movable, with a pin and lever threaded in and out.


Clamp: A clamp is a fastening mechanism used to tie or lock objects closely together by the application of internal pressure to avoid displacement or separation. The term cramp is also used instead in the United Kingdom where the instrument is for temporary use during renovation and woodworking for placing components; A G cramp or a sash cramp put a clamp on the wheel or a surgical clamp.


For many different uses, there are many kinds of clamps available. Which are temporary, some are meant to be permanent, as used to place parts when fixing them together. In the world of animal husbandry, it is known as “rounded clamping.” to use a clamp to connect an animal to a fixed structure. An actual clamp of this kind is often used to refer to an obscure word for investment management, “fund clamps.” Something that conducts the clamping operation may be considered a clamp, but this gives rise to a broad range of words throughout several areas.


Saw: A saw is a weapon with a rough-toothed edge consisting of a strong blade, rope, or cord. It is used for material cutting, most commonly wood, but also metal or iron. By positioning the toothed edge against the material and actively pushing it forward and less forcefully back or consistently forward, the cut is made. This force can be exerted by hand or by steam, water, electricity, or another form of electricity. A driven circular blade designed to cut through metal or ceramic has an abrasive saw.


Drill: A drill or grinding machine is an instrument used mainly to make circular holes or push fasteners. It is equipped with a bit, either a drill or a driver, protected by a chuck, depending on the application. A hammer feature is also included with some driven drills. In speed, strength, and scale, drills differ widely. They are electrically driven machines characteristically corded, with hand-operated styles falling in popularity significantly and cordless battery-powered models proliferating. In woodworking, metalworking, building, machine tool manufacture, construction, and service projects, drills are widely used. For medicine, space, and miniature applications, specially crafted models are made.


Knife: A knife is a tool or arm with a cutting edge or blade, sometimes fixed to a handle or hilt (plural knives; from Old Norse knifr, “knife, dirk”). Knives originated at least 2.5 million years ago, as evidenced by the Oldowan instruments, one of the oldest tools used by humans. Originally made of wood, bone, and stone (such as flint and obsidian), knife blades have been made of copper, brass, iron, steel, ceramic, and titanium over the years, in line with advances in both metallurgy and processing. There are either fixed or folding blades in most modern knives; blade patterns and designs differ by manufacturer and country of origin.


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