1/2"-20 x 3/4" Flat Head Cap Screws with Nylon Patch, Full Thread / Alloy Steel / Thermal Black Oxide / ASTM F835; SAE J429; ASME B18.3
$457.35
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Product Description
1/2"-20 x 3/4" Flat Head Cap Screws with Nylon Patch, Full Thread / Alloy Steel / Thermal Black Oxide / ASTM F835; SAE J429; ASME B18.3
Specifications
| Material | Alloy Steel |
|---|---|
| Finish | Thermal Black Oxide |
| Size | 1/2"-20 |
| Length | 3/4" |
| Head Style | Flat Head |
| Drive | Hex Socket (Allen) |
| Thread Pitch | 20 TPI |
| Thread Class | Fine |
| Hardness | C37 - C45 |
| Tensile Strength | 180000 |
| Standard | ASME B18.3 |
| RoHS Compliance | ✓ Compliant |
| Measurement System | Inch |
RoHS Compliant
Frequently Asked Questions
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.
Is this product RoHS compliant?
Yes, this product is RoHS Compliant. RoHS (Restriction of Hazardous Substances) restricts the use of lead, mercury, cadmium, hexavalent chromium, and certain flame retardants. RoHS-compliant fasteners use trivalent chromium passivation instead of hexavalent.
Type U Spring Nuts / Steel / Black Phosphate
Family: TNU
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Technical Specifications
Thread Size
1/2"-20
Thread Type
Fine (UNF)
Material
Alloy Steel
Head Style
Flat Head
Thread Pitch
20 TPI
Tensile Strength
180000
Hardness
C37 - C45
SKU
215321-200