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About Flat Head Screws
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Mil. Spec. Steel Phillips Flat Head Screws
Undercut Profile
Choose these screws for their adherence to strict military standards for material and construction. They're cadmium plated to resist corrosion in wet environments. These screws are angled under the head to sit flush within countersunk holes. Length is measured from the top of the head.
Screws with an undercut profile have a shallow head for use in thin materials.
| Lg. | Threading | Flat Head Profile | Head Dia. | Head Ht. | Drive Size | Tensile Strength, psi  | Specifications Met | Pkg. Qty. | Pkg. | |
Cadmium-Plated Steel—82° Countersink Angle | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
4-40 | ||||||||||
| 3/16" | Fully Threaded | Undercut | 0.225" | 0.047" | No. 1 | 60,000 | MS35190-220, NASM35190 | 100 | 000000000 | 000000 |