Flange Head Cap Screws | McMaster-Carr

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Screw Features

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Fastener Head Type

Material

Stainless Steel

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Threading

Partially Threaded

Drive Style

External 12-Point

Finish

Black Zinc Plated

Corrosion-Resistant Coated

Galvanic Barrier Coated

Phosphate Coated

Ultra-Corrosion-Resistant Coated

Zinc Yellow-Chromate Plated

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Head Width

Flange Diameter

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Head Height

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DFARS Specialty Metals

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Compliant with Exemptions

Export Control Classification Number (ECCN)

REACH

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Fastening and Joining

Hex Head Screws

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

Rounded Head Screws

Rounded Head Screws

Sit just above the surface for a low-profile finish and hold tighter than flat head screws

Socket Head Screws

Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

12-Point Screws

12-Point Screws

12 contact points handle more torque than a hex head while a flange eliminates the need for a washer

Tapping Screws

Fasten a range of materials together without needing to tap the hole first

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)