Mil. Spec. Machine Screws | McMaster-Carr

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Specifications Met

Federal Specification

Military Specification

Army-Navy Specification

Military Specification

System of Measurement

Thread Size

Length

Material

Silicone Rubber

Stainless Steel

Drive Style

Countersink Angle

Fastener Head Type

Finish

Zinc Yellow-Chromate Plated

Rounded Head Style

DFARS Specialty Metals

Head Diameter

Certification

Flat Head Profile

Threading

Partially Threaded

Head Height

RoHS

REACH

Thread Type

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

Thread Fit

Metric Class 6g

Unified Standard Class 2A

Unified Standard Class 3A

Socket Head Profile

Thread Spacing

Performance

Corrosion Resistant

Vibration Resistant

Export Control Classification Number (ECCN)

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1,438 Products

Fastening and Joining

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

Socket Head Screws

Socket Head Screws

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

Hex Head Screws

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

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