Carriage and Timber bolts have no drive, and machine threads for use with a nut.
Carriage bolts & Plow bolts, Chrome, 3/8"-16 x 3" |
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Carriage boltsCarriage heads are large smooth and domed with no drive. |
See also |
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Elevator boltsBolts with a very large flat head and machine threads for use with a nut. |