5/16"-18 x 1 1/4" Serrated Hex Flange Screws / Unslotted / Grade 8 / Zinc
$408.88
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Product Description
5/16"-18 x 1 1/4" Serrated Hex Flange Screws / Unslotted / Grade 8 / Zinc
Specifications
| Material | Alloy Steel |
|---|---|
| Finish | Zinc |
| Grade | Grade 8 |
| Size | 5/16"-18 |
| Length | 1 1/4" |
| Head Style | Hex Head Serrated |
| Drive | External Hex |
| Thread Pitch | 18 TPI |
| Thread Class | Coarse |
| Hardness | C33-C39 |
| Tensile Strength | 150 ksi (1034 MPa) |
| Standard | ASME B18.6.3 |
| 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.
Serrated Hex Flange Screws / Unslotted / Grade 8
Family: MWW8Z
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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 Serrated
Thread Pitch
18 TPI
Tensile Strength
150 ksi (1034 MPa)
Hardness
C33-C39
SKU
3120MWW8Z-1000