5/16"-18 Carriage Bolt - Grade 2 - Zinc Plated
Carriage Bolt - Grade 2 - Zinc Plated - (##) Number of Pieces in 1 Pound
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. The zinc coated are good for outdoor use, if using treated lumber please go to Hot Dipped Galvanized Hardware. Please note you are buying by the pound so confirm your pieces when considering how much to purchase. (##) Number of pieces in 1 pound.
| Grade: | Grade 2 | Diameter: | 5/16 |
| Plating: | Zinc | Thread Count: | 18 |
| Material: | Steel | Thread Length: | Threaded up to 6" |
| Head Style: | Carriage | Socket Size: | N/A |
| Head Diameter: | 0.688/0.719 | Square Width: | 0.307/0.324 |
| Proof Load, Lb.: | 2,900 | Tensile Strength, Lb.: | 3,900 |
SAE J429 Proof Load and Tensile Strength Requirements Above
Length is Measured from Under the Head to the Bottom of the Bolt
