M8-1.25 x 20mm Flat Head Cap Screws, Full Thread / Class 12.9 Steel / Zinc Bake / ISO 898-1 Class 12.9; ASME B18.3
$604.50
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Product Description
M8-1.25 x 20mm Flat Head Cap Screws, Full Thread / Class 12.9 Steel / Zinc Bake / ISO 898-1 Class 12.9; ASME B18.3
Specifications
| Material | Alloy Steel |
|---|---|
| Finish | Zinc |
| Grade | Class 12.9 |
| Size | M8-1.25 |
| Length | 20mm |
| Head Style | Flat Head |
| Drive | Hex Socket (Allen) |
| Thread Pitch | 1.25mm |
| Thread Class | Coarse |
| Hardness | C39 - C44 |
| Tensile Strength | 174000 |
| Standard | ASME B18.3 |
| RoHS Compliance | RoHS Compliant |
| Measurement System | Metric |
RoHS Compliant
Frequently Asked Questions
What does the metric class number mean?
The first number indicates tensile strength (e.g., 12 = 1,200 MPa). The second number is the yield-to-tensile ratio. So Class 12.9 has 1,220 MPa tensile strength and yield at 90% of tensile. Class 12.9 is equivalent to inch Grade 8.
.50 x 5mm Flat Head Socket Cap Screw, Full Thread / Class 12.9 Alloy Steel / Zinc Bake
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Technical Specifications
Thread Size
M8-1.25
Thread Type
Metric Coarse
Material
Alloy Steel
Grade
Class 12.9
Head Style
Flat Head
Thread Pitch
1.25mm
Tensile Strength
174000
Hardness
C39 - C44
SKU
878112-1500