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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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Thread Size Thread Size |
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Material Material |
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Head Type Head Type |
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![]() | Flat |
System of Measurement System of Measurement |
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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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Flat Head Profile Flat Head Profile |
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Threading Threading |
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![]() | Fully Threaded |
Thread Direction Thread Direction |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Hardness Hardness |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Thread Fit Thread Fit |
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Tensile Strength Tensile Strength |
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Thread Spacing Thread Spacing |
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Size Size |
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About Flat Head Screws
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Mil. Spec. Stainless Steel Hex Drive Flat Head Screws

Choose these screws for their adherence to strict military standards for material and construction. Made from 18-8 stainless steel, they have good chemical resistance and may be mildly magnetic. All are passivated for added protection against oxidation and corrosion. Screws are angled under the head to sit flush within countersunk holes. Length is measured from the top of the head.
For technical drawings and 3-D models, click on a part number.
Lg. | Threading | Head Dia. | Head Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Each | |
18-8 Stainless Steel | ||||||||
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4-40 | ||||||||
1/2" | Fully Threaded | 0.255" | 0.083" | 1/16" | 70,000 | Fed. Spec. QQ-P-35, MS24671-3 | 000000000 | 00000 |