M4-0.70 x 8mm Button Head Cap Screws, Full Thread / Class 12.9 Steel / Thermal Black Oxide
- Steel
- Class 12.9
- Thermal Black Oxide
- 0.70mm · Coarse
- ISO 7380 / DIN 9999, DIN 912
$26.60
$0.266 / pc
Package of 100
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Product Description
M4-0.70 x 8mm Button Head Cap Screws, Full Thread / Class 12.9 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.
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.
$26.60
$0.266/pc
.40 x 3mm Button Head Socket Cap Screw, Full Thread / Class 12.9 Steel / Black Oxide
Family: 535
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Technical Specifications
Thread Size
M4-0.70
Length
8mm
Thread Type
Coarse
Material
Steel
Grade
Class 12.9
Finish
Thermal Black Oxide
Drive
Hex Socket (Allen)
Head Style
Button Head
Standard
ISO 7380 / DIN 9999, DIN 912
Thread Pitch
0.70mm
Thread Class
Coarse
Tensile Strength
174000
Hardness
C39 - C44
RoHS Compliance
RoHS Compliant
Measurement System
Metric
SKU
535022-100