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Specifications Met Specifications Met | Show |
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Specifications Met Specifications Met | Hide |
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Warning: Products have one, but not necessarily all, of the selected characteristics.
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System of Measurement System of Measurement |
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Thread Size Thread Size |
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Thread Type Thread Type |
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Head Type Head Type |
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 | Socket |
Tensile Strength Tensile Strength |
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Size Size |
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Threading Threading |
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 | Partially Threaded |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Hardness Hardness |
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Thread Spacing Thread Spacing |
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Minimum Thread Length Minimum Thread Length |
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Drive Style Drive Style |
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Socket Head Profile Socket Head Profile |
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Thread Fit Thread Fit |
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Thread Direction Thread Direction |
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About Socket Head Screws
More
Mil. Spec. Alloy Steel Socket Head Screws
Partially Threaded
Choose these screws for their adherence to strict military standards for material and construction. With a tensile strength of 160,000 psi, these alloy steel screws are stronger than Grade 8 steel screws. They're cadmium plated to resist corrosion in wet environments. Length is measured from under the head.
Fine threads are closely spaced to prevent loosening from vibration. They are not compatible with coarse threads.
For technical drawings and 3-D models, click on a part number.
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| Lg. | Threading | Min. Thread Lg. | Thread Spacing | Dia. | Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Each | |
Cadmium-Plated Alloy Steel | ||||||||||
1/4"-28 | ||||||||||
| 1 3/4" | Partially Threaded | 1 1/4" | Fine | 3/8" | 1/4" | 3/16" | 160,000 | MS16998-48, NAS1351-4-28P | 000000000 | 00000 |