Mil. Spec. Screws | McMaster-Carr

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Specifications Met

Federal Specification

MSS SP-69 Type 15

Military Specification

Army-Navy Specification

Military Specification

System of Measurement

Thread Size

Length

Material

Stainless Steel

Fastener Head Type

Drive Style

Threading

Partially Threaded

Finish

Zinc Yellow-Chromate Plated

Socket Head Profile

Countersink Angle

Head Diameter

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

Head Height

Rounded Head Style

Thread Type

Flat Head Profile

Drive Size

Thread Direction

Thread Fit

Metric Class 6g

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

DFARS Specialty Metals

Certification

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

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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

Hex Head Screws

Hex Head Screws

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

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

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Material Handling

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

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