1
Skip to main content

3/8"-16 Carriage Bolt HDG

Hot Dipped Galvanized Carriage Bolts: Carriage bolts have a round smooth head with a square neck under the head. The square neck keeps the bolt from turning as a nut is tightened. These bolts are low carbon (Grade 2) steel. The Hot Dipped Galvanized coating is a thicker protective coating good for outdoor use, and recommended for use with treated lumber.

Grade: Grade 2 Diameter: 3/8
Plating: Hot Dipped Galvanized Thread Count: 16
Material: Steel Thread Length: Threaded up to 6"
Head Style: Carriage Socket Size: N/A
Head Diameter: 0.782/0.844 Square Width: 0.368/0.388
Proof Load, Lb.: 4,250 Tensile Strength, Lb.: 5,750


SAE J429 Proof Load and Tensile Strength Requirements Above
Length is Measured from Under the Head to the Bottom of the Bolt

Country of Origin varies; Country of Origin is subject to change
If plating is important please send an inquiry


Length/Size Price/Each Qty
2 1/2'' $ 0.32
3 1/2'' $ 0.42
4'' $ 0.47
6'' $ 0.66
7'' $ 0.80
8'' $ 0.85
10'' $ 1.05
12'' $ 1.25
Length/Size Price/Pkg Qty Qty
2 1/2'' $ 30.44 100
3 1/2'' $ 39.67 100
4'' $ 44.24 100
6'' $ 31.16 50
7'' $ 19.00 25
8'' $ 21.44 25
10'' $ 26.61 25
12'' $ 31.47 25
Length/Size Price/Case Qty Qty
2 1/2'' $ 125.92 450
3 1/2'' $ 127.65 350
4'' $ 122.03 300
6'' $ 100.28 175
7'' $ 126.68 175
8'' $ 102.08 125
10'' $ 101.38 50
12'' $ 95.91 50