5-40 Thread Socket Head Screws | McMaster-Carr

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Material

Stainless Steel

Fastener Head Type

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Threading

Partially Threaded

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Specifications Met

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Unified Standard Class 2A

Unified Standard Class 3A

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DFARS Specialty Metals

Hardness

Tensile Strength

50,000 psi to 59,999 psi

60,000 psi to 99,999 psi

100,000 psi or greater

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Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

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213 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

Set Screws

Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads

Shoulder Screws

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

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