carriage bolt

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carriage bolt

[′kar·ij ‚bōlt]
(design engineering)
A round-head type of bolt with a square neck, used with a nut as a through bolt.

carriage bolt

carriage bolts
A threaded bolt having a circular head, an oval or flat bearing surface, and a means (such as a square shoulder under the head) of preventing rotation of the bolt.
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References in periodicals archive ?
The top of the bench has two pairs of 2-by-6 beams connecting the posts and attached with countersunk carriage bolts.
The slide will move back and forth in the space between the stove door and the round head of the carriage bolts.
The oak planking was secured with 1/4-inch-by-4-inch carriage bolts extending through the wood, through the hull and sealed with 5200 marine adhesive.
The six bolts shown in the bottom photograph were made from standard hex-headed, square-headed or carriage bolts using just a chisel and center punch.
Held together with 3-1/2- and 5-1/2-inch carriage bolts, the frame is composed entirely of 2-by-4s.
Bolt the break with two or three full-threaded carriage bolts.
Materials 4 29-inch 2-by-4 legs 6 30-inch 2-by-6s for feet and crossbraces 2 3-1/2-inch 2-by-6s for spacers 1 54-inch 2-by-6 for the trestle beam 24 3-1/2-inch #12 flathead woodscrews 24 decorative wooden plugs 4 1/4-by-5-inch carriage bolts with nuts and washers 8 2-1/2-inch finishing nails
Includes all wood, angle iron, lag bolts, carriage bolts and funnel.
Each side panel mounts to the front with two 5/16- by 1-1/2-inch carriage bolts.
Because it uses heavier materials, gussets, and countersunk carriage bolts, it's stronger than the other design.
Central 2 by 3's slide up or down to the desired position, then are held in place by 5-2nch-long, 1/4-inch carriage bolts and wing nuts.