A circular saw or a buzz saw, is a power-saw using a toothed or abrasive disc or blade to cut different materials using a rotary motion spinning around an arbor. A hole saw and ring saw also use a rotary motion but are different from a circular saw. Circular saws may also be loosely used for the blade itself. Circular saws were invented in the late 18th century and were in common use in sawmills in the United States by the middle of the 19th century.
A power tool is a tool that is actuated by an additional power source and mechanism other than the solely manual labor used with hand tools. The most common types of power tools use electric motors. Internal combustion engines and compressed air are also commonly used. Tools directly driven by animal power are not generally considered power tools. Power tools can produce large amounts of particulates, including ultrafine particles. Airborne particulate matter is a Group 1 carcinogen.
Robert Bosch GmbH, commonly known as Bosch, is a German multinational engineering and technology company headquartered in Gerlingen, Baden-Württemberg, Germany. The company was founded by Robert Bosch in Stuttgart in 1886. Bosch is 94% owned by the Robert Bosch Stiftung, a charitable institution. Although the charity is funded by owning the vast majority of shares, it has no voting rights and is involved in health and social causes unrelated to Bosch's business.
Craftsman is a line of tools, lawn and garden equipment, and work wear. Originally a house brand established by Sears, the brand is now owned by Stanley Black & Decker.
Dremel is a multinational brand of power tools, focusing on home improvement and hobby applications. Dremel is known primarily for its rotary tools, such as the Dremel 3000, 4000 and 8200 series, which are similar to the pneumatic die grinders used in the metalworking industry by tool or moldmakers. Dremel later expanded its product range and now produces butane tools, benchtop and hand-held saws and oscillating tools. The company was purchased by Robert Bosch GmbH in 1993, and is now a division of the Robert Bosch Tool Corporation.
Milwaukee Electric Tool Corporation, known more commonly as Milwaukee Tool, is a multi-national company that develops, manufactures, and markets power tools, hand tools, tool accessories, tool storage, and personal protective equipment. Milwaukee Tool was last sold in 2005 for $626.6 million to the Hong Kong-based Techtronic Industries, also known as TTI Group. The company is now a subsidiary of TTI Group alongside brands like AEG, Ryobi, Hoover, Dirt Devil, and Vax. In 2022, $206 million was invested in Wisconsin research and development facilities.
Makita Corporation is a Japanese manufacturer of power tools. Founded on March 21, 1915, it is based in Anjō, Japan and operates factories in Brazil, China, Japan, Mexico, Romania, the United Kingdom, Germany, United Arab Emirates, Thailand, Indonesia, Malaysia, Philippines, Canada, and the United States. Annual sales were equivalent to $3.1 billion in 2012.
SKILSAW Power Tools is a manufacturer of circular saw-cutting technology serving the professional construction market. Since 2017, SKILSAW's headquarters has been located in Naperville, Illinois.
C. & E. Fein GmbH is a manufacturer of high-end power tools located near Stuttgart, Germany. Founded in 1867 by brothers Wilhelm Emil Fein and Carl Fein, the company invented the hand-held electric drill in 1895 and was responsible for many other innovations. Fein became famous for its grinders, electric screwdrivers, and Fein Multimaster RS, the original oscillating multitool.
FLEX-Elektrowerkzeuge GmbH is a German producer of power tools with headquarters in Steinheim. Founded in 1922, after producing its first MS6 angle grinder, FLEX became the first supplier of the tool in1935. In 1954, FLEX invented and began supply of the first flexible shaft angle grinder.
Edmond Michel was a Frenchman who immigrated to the United States in the early 20th century. He lived in New Orleans. His claim to fame was the invention of the handheld circular saw.
The Black & Decker DustBuster is a cordless vacuum cleaner that was introduced in January 1979.
Porter-Cable is an American company that manufactures power tools. Known for pioneering the portable belt sander, helical-drive circular saw, and portable band saw, it is a subsidiary of Stanley Black & Decker.
Worx, is a line of lawn and garden equipment and power tools owned and distributed by the Positec Tool Corporation, a manufacturing company based in Suzhou, China, with North American headquarters in Charlotte, North Carolina. The brand is known primarily for its lawn and garden tools like trimmers, lawn mowers, and chainsaws. In North America, Worx products can be found at numerous major retailers including Lowe's, Walmart, The Home Depot, Canadian Tire, and Costco. The brand is also sold on other continents, such as in Europe.
Kobalt is a line of hand and mechanics' tools, power tools, and tool storage products owned by the American home improvement chain Lowe's. It is the house brand for both Lowe's in North America and their joint venture with the now defunct Masters Home Improvement in Australia.
Johnson Matthey Battery Systems, part of the Johnson Matthey group and formerly called Axeon, designs and manufactures advanced lithium-ion battery systems for electric vehicles and processes over 70 million cells per year. Headquartered in Dundee, Scotland and with operations in Poland and sales offices in Coventry, England, Johnson Matthey Battery Systems produces batteries for all types of electric vehicles including urban delivery vehicles and high performance sports cars.
Chicago Pneumatic, also known as "CP", is an industrial manufacturer providing power tools, air compressors, generators, light towers and hydraulic equipment. Products are sold in more than 150 countries through a worldwide distribution network. CP is active on markets such as tools for industrial production, vehicle service, maintenance repair operation for mining, construction, infrastructure equipment.
A jigsaw is a reciprocating saw that can cut irregular curves, such as stenciled designs, in wood, metal, or other materials.
An electric motor brake is a safety feature incorporated into many modern power tools, such as circular saws, drills, and miter saws. Many manufacturers implement this feature into tools specifically with a spinning blade or cutter.
Makita Auto-Start Wireless System, Festool Autostart (2018‒) and Bosch Wireless Auto-Start (2024‒) are Bluetooth-based systems for remotely starting industrial vacuum cleaners from power tools. Several power tools, cordless battery packs, and industrial vacuum cleaners ship with wireless connectivity, mostly using Bluetooth Low Energy to communicate, but as of 2024 the systems remained incompatible between different brands.
