1/4"-28 Socket Head Cap Screws | McMaster-Carr

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System of Measurement

Length

Material

Stainless Steel

Fastener Head Type

Threading

Partially Threaded

Socket Head Profile

Finish

Zinc Flake Coated

Drive Style

Tamper-Resistant Hex

Tamper-Resistant Torx

Specifications Met

Fed. Spec. FF-S-86

Thread Type

Thread Spacing

Head Diameter

Tensile Strength

Less than 100,000 psi

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

Drive Size

Head Height

Thread Fit

Unified Standard Class 2A

Unified Standard Class 3A

Thread Direction

DFARS Specialty Metals

Military Specification

Hardness

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

REACH

Countersink Angle

Rounded Head Style

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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.)