The square section grips into the part being fixed (typically wood), preventing the bolt from turning when the nut is tightened. A carriage bolt has a domed or countersunk head, and the shank is topped by a short square section under the head.
Screws & Bolts,Carriage Bolts
3/8-16 X 1-1/2 Coarse Thread Carriage Bolts 4PK
Specifications of 3/8-16 X 1-1/2 Coarse Thread Carriage Bolts 4PK | |
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Category | |
Instock | instock |