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5/16"-18 x 2-1/2" Zinc Plated Grade 2 / A307 Steel Coarse Thread Carriage Bolts

Type: Carriage Bolts
Part Number: 01078
Original price $6.73 - Original price $38.18
Original price
$22.82
$6.73 - $38.18
Current price $22.82

Diameter: 5/16"
Length: 2-1/2"
Material: Steel
Finish: Zinc
Head Style: Carriage
Thread Size: 18 (Coarse)
Thread Length: Full
Hardness: Grade 2 / A307
Type: Carriage Bolt
Square-Depth: 3/16"
A carriage bolt has a domed or countersunk head, and the shank is topped by a short square section under the head. The square section grips into the part being fixed (typically wood), preventing the bolt from turning when the nut is tightened.