1/2"-13 x 20" Carriage Bolt / Grade A Steel / Zinc / ASTM A307 Grade A; ASME B18.5
$220.52
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Product Description
1/2"-13 x 20" Carriage Bolt / Grade A Steel / Zinc / ASTM A307 Grade A; ASME B18.5
Specifications
| Material | Steel |
|---|---|
| Finish | Zinc |
| Grade | A307 Grade A |
| Size | 1/2"-13 |
| Length | 20" |
| Head Style | Carriage (Round) |
| Drive | No Drive (Square Neck) |
| Thread Pitch | 13 TPI |
| Thread Class | Coarse |
| Hardness | B69 - B100 |
| Tensile Strength | 60000 |
| 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 Bolt, Full Thread / Grade A Steel / Zinc
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Technical Specifications
Thread Size
1/2"-13
Thread Type
Coarse (UNC)
Material
Steel
Grade
A307 Grade A
Head Style
Carriage (Round)
Thread Pitch
13 TPI
Tensile Strength
60000
Hardness
B69 - B100
SKU
489171-45