NAS 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

Threading

Partially Threaded

Unit Price

Socket Head Profile

Finish

Zinc Yellow-Chromate Plated

Countersink Angle

Military Specification

Army-Navy Specification

Military Specification

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

Certification

Head Height

DFARS Specialty Metals

Drive Size

Flat Head Profile

Thread Type

Thread Fit

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Rounded Head Style

Thread Spacing

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

REACH

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837 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

Hex Head Screws

Hex Head Screws

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

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

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