Skip to content

Free shipping on orders $100 and up!

5/16"-18 x 7" Zinc Plated Grade 2 / A307 Steel Coarse Thread Carriage Bolts CBS-436

Type: Carriage Bolts
Part Number: 01089
Original price $31.45 - Original price $32.97
Original price
$31.45 - $32.97
Current price $31.45
Box Size: 50 pcs.

Diameter: 5/16"
Length: 7"
Material: Steel
Finish: Zinc
Head Style: Carriage
Thread Size: 18 (Coarse)
Thread Length: Partial
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.