5/8"-11 x 6 1/2" Carriage Bolt / Grade 5 Steel / Zinc / SAE J429 Grade 5; ASME B18.5
$255.27
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Product Description
5/8"-11 x 6 1/2" Carriage Bolt / Grade 5 Steel / Zinc / SAE J429 Grade 5; ASME B18.5
Specifications
| Material | Steel |
|---|---|
| Finish | Zinc |
| Grade | Grade 5 |
| Size | 5/8"-11 |
| Length | 6 1/2" |
| Head Style | Carriage (Round) |
| Drive | No Drive (Square Neck) |
| Thread Pitch | 11 TPI |
| Thread Class | Coarse |
| Hardness | B25 - C34 |
| Tensile Strength | 120000 |
| Standard | ASME B18.5 |
| RoHS Compliance | RoHS Compliant |
| Measurement System | Inch |
RoHS Compliant
Frequently Asked Questions
What is the difference between Grade 5 and Grade 8?
Grade 5 (medium carbon steel, 120 ksi tensile strength) is suitable for most industrial applications. Grade 8 (alloy steel, 150 ksi tensile strength) is used for high-strength applications like automotive suspension and machinery. Grade 5 hex heads have 3 radial lines; Grade 8 has 6 radial lines.
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 5 Steel / Zinc
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Technical Specifications
Thread Size
5/8"-11
Thread Type
Coarse (UNC)
Material
Steel
Grade
Grade 5
Head Style
Carriage (Round)
Thread Pitch
11 TPI
Tensile Strength
120000
Hardness
B25 - C34
SKU
492103-75