M20-2.50 x 45mm Socket Head Cap Screws, Full Thread / Class 8.8 Steel / Thermal Black Oxide
- Steel
- Class 8.8
- Thermal Black Oxide
- 2.5mm · Coarse
- DIN 912
$208.92
$8.36 / pc
Package of 25
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Product Description
M20-2.50 x 45mm Socket Head Cap Screws, Full Thread / Class 8.8 Steel / Thermal 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.
What hex key size do I need for this socket head cap screw?
For this M20-2.50 Socket Head Cap Screw, use a 17 mm hex key (Allen wrench).
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.
$208.92
$8.36/pc
.70 x 10 MM Socket Head Cap Screw, Full Thread (DIN 912) / Class 8.8 Steel / THERMAL BLACK OXIDE
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Technical Specifications
Thread Size
M20-2.50
Length
45mm
Thread Type
Coarse
Material
Steel
Grade
Class 8.8
Finish
Thermal Black Oxide
Drive
Hex Socket (Allen)
Head Style
Socket Head
Standard
DIN 912
Country of Origin
Import
Thread Pitch
2.5mm
Thread Class
Coarse
Tensile Strength
116000
Hardness
C22 - C32
RoHS Compliance
RoHS Compliant
Measurement System
Metric
SKU
854523-25