- jobber series parallel shank twist drill
- спиральное сверло короткой серии с цилиндрическим хвостовиком
Англо-русский словарь по машиностроению. Академик.ру. 2011.
Англо-русский словарь по машиностроению. Академик.ру. 2011.
Drill bit sizes — Drill bits are the cutting tools of drilling machines. They can be made in any size to order, but standards organizations have defined sets of sizes that are produced routinely by drill bit manufacturers and stocked by distributors. In the U.S.,… … Wikipedia
Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry … Wikipedia