| 释义 | Driftbolt
 Drift´bolt`
 | n. | 1.A bolt for driving out other bolts. | 
 driftbolt
 driftbolt1. A short rod or square bar driven into holes bored in timber, for attaching adjacent sticks to each other or to piles; varies from 1 to 2 ft (0.3 to 0.6 m) in length; often provided with a head or with a sharpened end; also called a drift, or driftpin. 2. A steel bolt used to drive out other bolts. |