5/16"-18 x 2" Hex Cap Screws with Nylon Patch / Medium Carbon Steel / Grade 8 / Zinc Yellow CR+6 / Made in USA / SAE J429 Grade 8
$105.25
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Product Description
5/16"-18 x 2" Hex Cap Screws with Nylon Patch / Medium Carbon Steel / Grade 8 / Zinc Yellow CR+6 / Made in USA / SAE J429 Grade 8
Specifications
| Material | Alloy Steel |
|---|---|
| Finish | Zinc Yellow |
| Grade | Grade 8 |
| Size | 5/16"-18 |
| Length | 2" |
| Head Style | Hex Head |
| Drive | External Hex |
| Thread Pitch | 18 TPI |
| Thread Class | Coarse |
| Hardness | C33 - C39 |
| Tensile Strength | 150000 |
| Standard | ASME B18.2.1 |
| RoHS Compliance | Non-Compliant |
| Measurement System | Inch |
| Head Height | 13/64" |
| Width Across Flats | 1/2" |
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.
Hex Cap Screw / Grade 8 Nylon / Zinc Yellow
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Technical Specifications
Thread Size
5/16"-18
Thread Type
Coarse (UNC)
Material
Alloy Steel
Grade
Grade 8
Head Style
Hex Head
Country of Origin
USA
Thread Pitch
18 TPI
Tensile Strength
150000
Hardness
C33 - C39
SKU
424055-25
Compliance & Certifications
DFARS Compliant
Defense Acquisition Regulations
Need documentation? Request compliance certificates