The Collaborative International Dictionary of English. 2000.
drawbolt — noun A coupling pin … Wiktionary
drawbolt — ˈ ̷ ̷ˌ ̷ ̷ noun 1. : coupler 1a 2. : a bolt with washer and nut used to draw parts of an assembly tightly together 3. : bolt 2a … Useful english dictionary