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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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Head Type Head Type |
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 | Socket |
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 | Fully Threaded |
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Drive Style Drive Style |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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About Socket Head Screws
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Mil. Spec. Alloy Steel Socket Head Screws
Fully 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 | Thread Spacing | Dia. | Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Each | |
Cadmium-Plated Alloy Steel | |||||||||
1/4"-28 | |||||||||
| 1" | Fully Threaded | Fine | 3/8" | 1/4" | 3/16" | 160,000 | MS16998-45, NAS1351-4-16P | 000000000 | 00000 |