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Back to: "T"twist drill
- Definição1
- A metal-cutting tool turned in a drill press or a hand-held drill motor. A twist drill has a straight shank and spiraled flutes. A cutting edge is ground on the end of the spiraled flutes. The diameter of twist drills is measured in four different ways: Fractions of an inch, millimeters, letters, and numbers.
- Fonte1
- CRANE, Dale (ed.). Dictionary of aeronautical terms. 2nd ed. Renton: ASA, 1991.
- Fonte2
- ARAÚJO, João Richard Barcelos. Inglês técnico: técnicos em manutenção de aeronaves. [S.l]: [s.n.], [200-]. 100 p.
- Português
- broca
- Imagem
From top to bottom: Spade, lip and spur (brad point), masonry bit and twist drill bits.
