16mm x 90mm Socket Shoulder Screws / M12-1.75 Thread / Class 12.9 Steel / Black Oxide
- Steel
- Class 12.9
- Thermal Black Oxide
- 1.75mm · Coarse
- ASME B18.3
$896.74
$35.87 / pc
Package of 25
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Product Description
16mm x 90mm Socket Shoulder Screws / M12-1.75 Thread / Class 12.9 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.
$896.74
$35.87/pc
x 18mm Socket Shoulder Screw / Class 12.9 Steel / Black Oxide
Family: 537
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Technical Specifications
Thread Size
M12-1.75
Length
90mm
Thread Type
Coarse
Material
Steel
Grade
Class 12.9
Finish
Thermal Black Oxide
Drive
Hex Socket (Allen)
Head Style
Shoulder (Stripper)
Standard
ASME B18.3
Thread Pitch
1.75mm
Thread Class
Coarse
Tensile Strength
174000
Hardness
C39 - C44
RoHS Compliance
RoHS Compliant
Measurement System
Metric
SKU
537270-25