1 1/4"-7 x 8 1/2" Hex Cap Screws / Grade 8 / Zinc Yellow
$400.26
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Product Description
1 1/4"-7 x 8 1/2" Hex Cap Screws / Grade 8 / Zinc Yellow
Specifications
| Material | Alloy Steel |
|---|---|
| Finish | Zinc Yellow |
| Grade | Grade 8 |
| Size | 1 1/4"-7 |
| Length | 8 1/2" |
| Head Style | Hex Head |
| Drive | External Hex |
| Thread Pitch | 7 TPI |
| Thread Class | Coarse |
| Hardness | C33-C39 |
| Tensile Strength | 150 ksi (1034 MPa) |
| Standard | ASME B18.2.1 |
| RoHS Compliance | On Request |
| Measurement System | Inch |
| Head Height | 27/32" |
| Width Across Flats | 1 7/8" |
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 Screws / Grade 8 / Zinc Yellow
Family: CH8OC
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Technical Specifications
Thread Size
1 1/4"-7
Thread Type
Coarse (UNC)
Material
Alloy Steel
Grade
Grade 8
Head Style
Hex Head
Thread Pitch
7 TPI
Tensile Strength
150 ksi (1034 MPa)
Hardness
C33-C39
SKU
125136CH8O-10