1-72 Fasteners | McMaster-Carr

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System of Measurement

Thread Size

Length

Fastener Head Type

Material

Stainless Steel

Drive Style

Head Diameter

Threading

Partially Threaded

Thread Spacing

Finish

Head Height

Drive Size

Rounded Head Style

Socket Head Profile

Thread Type

Specifications Met

Thread Fit

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Thread Direction

DFARS Specialty Metals

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

Tip Type

Hardness

Flat Head Profile

REACH

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142 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

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

Set Screws

Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads

Hex Nuts

Handle most general fastening needs

Coupling Nuts

Connect and extend threaded rods

Easy to tighten and loosen by hand for making frequent adjustments

Cap Nuts

Cover and protect threads while adding a finished look; also known as acorn nuts

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