4-40 Socket Head Cap Screws | McMaster-Carr

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Stainless Steel

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Corrosion-Resistant Coated

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100,000 psi to 119,999 psi

120,000 psi to 129,999 psi

130,000 psi to 149,999 psi

150,000 psi or greater

DFARS Specialty Metals

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Unified Standard Class 2A

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664 Products

Fastening and Joining

Socket Head Screws

Socket Head Screws

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

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish that won't snag on surrounding parts

Rounded Head Screws

Rounded Head Screws

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

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