1/4"-20 Finished Hex Nuts / Grade 5 / Black Oxide
$224.40
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Product Description
1/4"-20 Finished Hex Nuts / Grade 5 / Black Oxide
Specifications
| Material | Steel |
|---|---|
| Finish | Black Oxide |
| Grade | Grade 5 |
| Size | 1/4"-20 |
| Thread Pitch | 20 TPI |
| Thread Class | Coarse |
| Thickness | 7/32" |
| Hardness | C25-C34 |
| Tensile Strength | 120 ksi (827 MPa) |
| Standard | ASME B18.2.2 |
| RoHS Compliance | RoHS Compliant |
| Measurement System | Inch |
| Width Across Flats | 7/16" |
| Nut Height | 7/32" |
RoHS Compliant
Frequently Asked Questions
What is the difference between Grade 5 and Grade 8?
Grade 5 (medium carbon steel, 120 ksi tensile strength) is suitable for most industrial applications. Grade 8 (alloy steel, 150 ksi tensile strength) is used for high-strength applications like automotive suspension and machinery. Grade 5 hex heads have 3 radial lines; Grade 8 has 6 radial lines.
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.
Finished Hex Nuts / Grade 5 / Black Oxide
Family: NF5CB
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Technical Specifications
Thread Size
1/4"-20
Thread Type
Coarse (UNC)
Material
Steel
Grade
Grade 5
Thread Pitch
20 TPI
Thickness
7/32"
Tensile Strength
120 ksi (827 MPa)
Hardness
C25-C34
SKU
14NF5B-5000