M2.5-0.45 x 6mm Flat Head Cap Screws, Full Thread / Class 10.9 Steel / Thermal Black Oxide / ISO 898-1 Class 10.9; DIN 7991
$225.62
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Product Description
M2.5-0.45 x 6mm Flat Head Cap Screws, Full Thread / Class 10.9 Steel / Thermal Black Oxide / ISO 898-1 Class 10.9; DIN 7991
Specifications
| Material | Alloy Steel |
|---|---|
| Finish | Thermal Black Oxide |
| Grade | Class 10.9 |
| Size | M2.5-0.45 |
| Length | 6mm |
| Head Style | Socket Head |
| Drive | Hex Socket (Allen) |
| Thread Pitch | 0.45mm |
| Thread Class | Coarse |
| Hardness | C32 - C39 |
| Tensile Strength | 145000 |
| Standard | DIN 7991 |
| 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.
.40 x 4mm Flat Head Socket Cap Screw, Full Thread / Class 10.9 Steel / Black Oxide
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Technical Specifications
Thread Size
M2.5-0.45
Thread Type
Metric Coarse
Material
Alloy Steel
Grade
Class 10.9
Head Style
Socket Head
Thread Pitch
0.45mm
Tensile Strength
145000
Hardness
C32 - C39
SKU
564044-2500