bradawl
(ˈbrædɔːl)
[app. f. brad n. + awl, denoting an awl for making holes to insert brads; though the ON. bragð-alr lit. ‘twirling awl’, a fire-drill, suggests a different derivation.]
A kind of small boring tool, a sprig-bit.
| 1823 P. Nicholson Pract. Build. 238 Brad-awl..is the smallest tool used for boring. 1881 Mechanic §262 The bradawl varies in..diameter of the steel shaft from 1/16 in. to 1/8 in. or 3/16 in. |