3-56 Socket Head Cap Screws | McMaster-Carr

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Partially Threaded

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18-8 Stainless Steel

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Less than 100,000 psi

120,000 psi to 129,999 psi

130,000 psi to 149,999 psi

150,000 psi or greater

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Unified Standard Class 3A

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RoHS

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28 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

Rounded Head Screws

Rounded Head Screws

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

Flat Head Screws

Flat Head Screws

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

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