drawbolt

plural drawbolts

1. engineeringA type of bolt with a threaded end that can be tightened to pull connected parts closer together and to increase tension.

   Then tighten the drawbolt one additional turn to make the punch bite into the metal.

   1987, Robert J. Rechs, Build Your Own Hot-Air Balloon, page 143

   2 more examples

   When changing from one diameter to another, it is necessary to change both the drawbolt and outer sleeve.

   1970, General Aircraft Maintenance Manual, pages 4-115

   Tough joints for heavy jobs, such as workbenches are obtained by the use of drawbolts (Fig. 13-8).

   1989, Woodworker's Guide to Master Craftsman Techniques, page 132