M20-2.5 x 60 mm Button Head Socket Cap Screws / Class 10.9 / Alloy Steel / Black Oxide
- Steel
- Class 10.9
- Black Oxide
- 2.5mm · Coarse
- ISO 7380 / DIN 9999
$3.79
$0.076 / pc
Bulk Box of 50
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Product Description
M20-2.5 x 60 mm Button Head Socket Cap Screws / Class 10.9 / Alloy Steel / Black Oxide
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.
$3.79
$0.076/pc
.50 x 5mm Button Head Socket Cap Screw, Full Thread / Class 10.9 Steel / Black Oxide
Family: 565
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Technical Specifications
Thread Size
M20-2.50
Length
60mm
Thread Type
Coarse
Material
Steel
Grade
Class 10.9
Finish
Black Oxide
Drive
Hex Socket (Allen)
Head Style
Button Head
Standard
ISO 7380 / DIN 9999
Thread Pitch
2.5mm
Thread Class
Coarse
Tensile Strength
145000
Hardness
C32 - C39
RoHS Compliance
RoHS Compliant
Measurement System
Metric
SKU
565559-50