barrel bolt


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barrel bolt

[′bar·əl ‚bōlt]
(design engineering)
A door bolt which moves in a cylindrical casing; not driven by a key. Also known as tower bolt.

barrel bolt, tower bolt

A door bolt which moves in a cylindrical casing; not driven by a key.
References in periodicals archive ?
Ajustco is the inventor and manufacturer of AjustLock, a patent-pending barrel bolt product.
collectively, "Hillman") for its AjustLock(TM) line of innovative, adjustable barrel bolts and slide bolts.
AjustLock threatens to unseat a cadre of current household names that sell what Stile calls "now outdated" barrel bolt locks, in what is a billion dollar slice of the enormous global hardware security market.
Cleaning Of Cardium, Grease And Oil From Man Hole And Torquing Of Barrel Bolts And Joint Bolts Of.
Tenders are invited for Barrel Bolt Tower Bolt Aluminium 76Mm X 10 Mm Dia Is No 204-2
8 eight-foot-long 4-by-4 fence posts 5 ten-foot-long 2-by-6s 3 ten-foot-long 2-by-4s 2 twelve-foot-long 2-by-6s 4 eight-foot-long 2-by-4s 3 six-foot-long 1-by-4s 1 four-foot 2-by-2 1 gallon of solid-color acrylic latex wood stain 200 3-inch deck screws 50 1 1/2-inch deck screws 25 feet of 36-inch-wide, 1/2-inch-square galvanized wire mesh (fence cloth) 1 pound of fence staples 6 three-inch galvanized butt hinges with two screw holes 3 fence handles 6 fence barrel bolts
The panels meet at a removable center post, which has a gate handle and four catches for barrel bolts attached to the openable fence rails.
Photo: When not in use, removable sections fit under the lip of the fixed railing; they're secured to posts with barrel bolts.