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

Drive Size

Head Height

Finish

Rounded Head Style

Thread Type

Socket Head Profile

Nut Type

Thread Fit

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Thread Direction

Specifications Met

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

Width

RoHS

Compliant with Exemptions

Flat Head Profile

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143 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

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.)