5/16"-18 x 4 1/2" Carriage Bolts / Full Thread / Steel / Zinc
$132.44
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Product Description
5/16"-18 x 4 1/2" Carriage Bolts / Full Thread / Steel / Zinc
Specifications
| Material | Steel |
|---|---|
| Finish | Zinc |
| Size | 5/16"-18 |
| Length | 4 1/2" |
| Head Style | Round Head |
| Drive | No Drive |
| Thread Pitch | 18 TPI |
| Thread Class | Coarse |
| Standard | ASME B18.5 |
| RoHS Compliance | RoHS Compliant |
| Measurement System | Inch |
RoHS Compliant
Frequently Asked Questions
Why does a carriage bolt have a square neck?
The square neck beneath the round head wedges into the wood as the nut is tightened, preventing the bolt from rotating. This allows tightening from one side only — perfect for deck and fence construction where you can not access the back side of the bolt.
Carriage Bolts / Full Thread / Steel
Family: CFT
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Technical Specifications
Thread Size
5/16"-18
Thread Type
Coarse (UNC)
Material
Steel
Head Style
Round Head
Thread Pitch
18 TPI
SKU
3172C-300