M5-0.80 x 25mm Flat Head Cap Screws, Full Thread / Class 12.9 Steel / Thermal Black Oxide / ISO 898-1 Class 12.9; DIN 7991; ASME B18.3
$299.31
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Product Description
M5-0.80 x 25mm Flat Head Cap Screws, Full Thread / Class 12.9 Steel / Thermal Black Oxide / ISO 898-1 Class 12.9; DIN 7991; ASME B18.3
Specifications
| Material | Alloy Steel |
|---|---|
| Finish | Thermal Black Oxide |
| Grade | Class 12.9 |
| Size | M5-0.80 |
| Length | 25mm |
| Head Style | Flat Head |
| Drive | Hex Socket (Allen) |
| Thread Pitch | 0.80mm |
| 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.
Does Black Oxide finish provide corrosion protection?
Black Oxide provides mild corrosion resistance through a controlled oxidation process. It is dimensionally stable (no plating buildup), will not chip or flake, and is suitable for indoor use. For outdoor or wet environments, additional oil coating or a different finish (zinc, stainless) is recommended.
.50 x 18mm Flat Head Socket Cap Screw, Full Thread (DIN 7991) / Class 12.9 Alloy Steel / Black Oxide
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Technical Specifications
Thread Size
M5-0.80
Thread Type
Metric Coarse
Material
Alloy Steel
Grade
Class 12.9
Head Style
Flat Head
Thread Pitch
0.80mm
Tensile Strength
174000
Hardness
C39 - C44
SKU
534058-2500