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2. Chuck (engineering) - Wikipedia

   en.wikipedia.org/wiki/Chuck_(engineering)

   A pin chuck is a specialized chuck designed to hold small drills (less than 1 mm (0.039 in) in diameter) that could not be held securely in a normal drill chuck. The drill is inserted into the pin chuck and tightened; the pin chuck has a shaft which is then inserted into the larger drill chuck to hold the drill securely. Pin chucks are also ...

3. Drill - Wikipedia

   en.wikipedia.org/wiki/Drill

   A drill is a tool used for making round holes or driving fasteners. It is fitted with a drill bit for making holes, or a screwdriver bit for securing fasteners. Historically, they were powered by hand, and later mains power, but cordless battery-powered drills are proliferating due to increased efficiency and ease of use.

4. Hammer drill - Wikipedia

   en.wikipedia.org/wiki/Hammer_drill

   A corded hammer drill next to a drill bit and a chuck key. A hammer drill, also known as a percussion drill or impact drill, is a power tool used chiefly for drilling in hard materials. [1] [2] It is a type of rotary drill with an impact mechanism that generates a hammering motion.

5. Craftsman (tools) - Wikipedia

   en.wikipedia.org/wiki/Craftsman_(tools)

   Some, such as the corded and cordless drills, were indistinguishable, other than the color and decal labels. Many Craftsman bench and stationary power tools were manufactured by Emerson Electric under the "113" model prefix (previously under the "103" model prefix which was King-Seeley, but Emerson bought them out in the 1960s) and DeWalt. [4]

6. Drill bit shank - Wikipedia

   en.wikipedia.org/wiki/Drill_bit_shank

   One particular type of reduced-shank drill bits are Silver & Deming (S&D) bits, whose sets run from 9 ⁄ 16-inch (14 mm) to 1 + 1 ⁄ 2-inch (38 mm) drill body diameter with a standard 1 ⁄ 2-inch (13 mm) reduced shank for all. This allows drill presses with 1 ⁄ 2-inch (13 mm) chucks to run the larger drills. S&D bits are 6 inches (150 mm ...

7. Brushless DC electric motor - Wikipedia

   en.wikipedia.org/wiki/Brushless_DC_electric_motor

   Brushless motors are found in many modern cordless tools, including some string trimmers, leaf blowers, saws (circular and reciprocating), and drills/drivers. The weight and efficiency advantages of brushless over brushed motors are more important to handheld, battery-powered tools than to large, stationary tools plugged into an AC outlet.

8. Miter saw - Wikipedia

   en.wikipedia.org/wiki/Miter_saw

   A motorized miter saw. A miter saw or mitre saw is a saw used to make accurate crosscuts and miters in a workpiece by positioning a mounted blade onto a board. A miter saw in its earliest form was composed of a back saw in a miter box, but in modern implementation consists of a powered circular saw that can be positioned at a variety of angles and lowered onto a board positioned against a ...

9. Lee Zeldin - Wikipedia

   en.wikipedia.org/wiki/Lee_Zeldin

   Lee Michael Zeldin (born January 30, 1980) is an American attorney, politician, and officer in the United States Army Reserve who has been serving as the 17th administrator of the Environmental Protection Agency (EPA) since January 29, 2025.