| 21. | Bits look similar to a twist drill or end mill; some cut on the upward twist, and some cut downwards.
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| 22. | The Dormer brand trademark originally used as a brand name for the company's twist drills was registered in 1924.
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| 23. | In 1884, the Syracuse Twist Drill Company, established in 1877, were manufacturers of twist drills and mechanics'tools at 166 Grape Street.
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| 24. | In 1884, the Syracuse Twist Drill Company, established in 1877, were manufacturers of twist drills and mechanics'tools at 166 Grape Street.
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| 25. | Drill a {-inch hole, the mounting hole, with a twist drill or narrow spade bit near the top of the back panel.
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| 26. | Metric dimensioning is routinely used for drill bits of all types, although the details of BS 328 apply only to twist drill bits.
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| 27. | :: Although steel poles can be drilled on-site with a annular drill bit or standard twist drill, it is not a recommended practice.
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| 28. | :You can make your own TMS unit, or perhaps use a simpler brute force method using a twist drill and a large neodymium magnet.
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| 29. | ANSI B94.11M-1979 sets size standards for jobber-length straight-shank twist drill bits from 1 / 64 inch through 1 inch in 1 / 64 inch increments.
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| 30. | High-speed twist drills, for example, can be used to drill holes in acrylic, but the tip of drill bit may chip the surface of the material.
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