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barrel bolt, tower bolt

A door bolt which moves in a cylindrical casing; not driven by a key.
References in periodicals archive ?
Burnsville, MN 55337 Tel: (952) 881-1925 Fax: (952) 881-0374 CTS730 Milter cuts, drawbolt cavities, Countertop Saw variable speed.
Edgetech's Countertop Saws cut countertops to size and rout drawbolt cavities for joining.
Edgetech countertop saws are designed to cut countertops to size and route drawbolt cavities without any extra handling of the countertop.