Fasteners, Bolts,5/16″-18 x 3″, Carriage Bolts

Bolts – Carriage Bolts

5/16″-18 x 3″ Zinc Plated Grade 5 Steel Coarse Thread Carriage Bolts

Diameter: 5/16″
Length: 3″
Material: Steel
Finish: Zinc
Head Style: Carriage
Thread Size: 18 (Coarse)
Thread Length: Full
Hardness: Grade 5
Type: Carriage Bolt
Square-Depth: 13/32″
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.

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