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  2. Wood auger - Wikipedia

    en.wikipedia.org/wiki/Wood_auger

    The lower edge of the blade is sharpened and scrapes the wood; the rest of the blade lifts the chips out of the way. It is powered with two hands, by a T-shaped handle attached to the top of the shaft. More modern versions have elaborated auger bits with multiple blades in various positions. [2]

  3. Benjamin Forstner - Wikipedia

    en.wikipedia.org/wiki/Benjamin_Forstner

    Modern 25mm Forstner bit with 4-sided brad point. Forstner retired in 1891. His residence and workshop were situated on the west side of Commercial Street and later occupied by the Salem woolen mill store and E. F. Neff. He erected a large residence on his land near the northern end of Commercial Street.

  4. Boring machine (carpentry) - Wikipedia

    en.wikipedia.org/wiki/Boring_machine_(carpentry)

    Before boring machines were invented, carpenters used hand-powered augers to bore holes. Most common were T-handled augers. The shape of the drill bits changed over time, with the spoon bit and shell bit being common before the invention of the spiral or twist bit in 1771 [1] which removes the cuttings as it turns.

  5. Category:Agricultural machinery - Wikipedia

    en.wikipedia.org/wiki/Category:Agricultural...

    Wood auger; Woodchipper This page was last edited on 21 October 2021, at 06:49 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 License ...

  6. Drill bit sizes - Wikipedia

    en.wikipedia.org/wiki/Drill_bit_sizes

    Metric drill set, 1.0–6.0 mm by 0.1 mm, jobber length. The case that holds them in an indexed order (by size), via a graduated series of holes, is called a drill index.

  7. Gimlet (tool) - Wikipedia

    en.wikipedia.org/wiki/Gimlet_(tool)

    A gimlet is a hand tool for drilling small holes, mainly in wood, without splitting. It was defined in Joseph Gwilt's Architecture (1859) as "a piece of steel of a semi-cylindrical form, hollow on one side, having a cross handle at one end and a worm or screw at the other".