BIT, TWIST
Doon Heritage Crossroads
Tous droits réservés.
| Nom de l'objet : | BIT, TWIST |
| Type de l'objet : | WOODWORKING TOOLS AND EQUIPMENT |
| Classification de l'objet : | TOOLS AND EQUIPMENT FOR MATERIALS |
| Matériaux : | METAL |
| Numéro d'accession : | 983.025.005 |
| Description : | This twist bit has a "double twist" body in the Scotch pattern. The nose (or cutting edge) is flat with a side wing, but no spurs. On the end, the lead (or point) is double threaded. The bit has a square upper portion (tang) which tapers slightly at the end. On one of the squared sides is "8" impressed into the metal. According to R.A. Salaman, the double twist is "made from a flat steel bar which is made hot and then twisted" and the screw lead causes the tool to pull itself to some extent through the hole, and thus the amount of pressure require is reduced. Length: 33cm; Width: 4.8cm |
| Publications ou références : | Salaman, R.A. "Dictionary of Tools. Used in the Woodworking and Allied Trades c.1700 - 1970" Charles Scribner's Sons, New York (1980), pp. 42-44, 86. |
| Établissement : |
Doon Heritage Crossroads
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| Ville de l'établissement : | Kitchener |
| Province de l'établissement : | Ontario |
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