NAS Cap Screws | McMaster-Carr

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Specifications Met

System of Measurement

Thread Size

Length

Material

Silicone Rubber

Stainless Steel

Fastener Head Type

Drive Style

Socket Head Profile

Threading

Partially Threaded

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

Finish

Military Specification

Army-Navy Specification

Military Specification

Certification

DFARS Specialty Metals

Thread Fit

Unified Standard Class 2A

Unified Standard Class 3A

Head Height

Drive Size

Thread Type

Thread Spacing

Hardness

Thread Direction

Countersink Angle

RoHS

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 that won't snag on surrounding parts

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.)