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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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Head Type Head Type |
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![]() | Rounded |
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Rounded Head Style Rounded Head Style |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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![]() | Fully Threaded |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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About Rounded Head Screws
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Mil. Spec. Stainless Steel Pan Head Phillips Screws

Passivated
Choose these pan head screws for their adherence to strict military standards for material and construction. Made from 18-8 stainless steel, they are chemical resistant and may be mildly magnetic. Length is measured from under the head.
Passivated screws meet Fed. Spec. QQ-P-35 for added protection against oxidation and corrosion.
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 | Pkg. Qty. | Pkg. | |
Passivated 18-8 Stainless Steel | |||||||||
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2-56 | |||||||||
1/2" | Fully Threaded | 0.167" | 0.062" | No. 1 | 80,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS51957-7 | 100 | 000000000 | 00000 |