6-40 Socket Head Cap Screws | McMaster-Carr

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System of Measurement

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Fastener Head Type

Material

Stainless Steel

Threading

Partially Threaded

Head Diameter

Drive Style

Socket Head Profile

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Finish

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Head Height

Drive Size

Tensile Strength

50,000 psi to 69,999 psi

70,000 psi to 99,999 psi

100,000 psi or greater

Thread Direction

Specifications Met

DFARS Specialty Metals

Rounded Head Style

RoHS

Compliant with Exemptions

Thread Fit

Unified Standard Class 2A

Unified Standard Class 3A

Hardness

REACH

Export Control Classification Number (ECCN)

Countersink Angle

Flat Head Profile

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54 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.)