2-56 Socket Head Cap Screws | McMaster-Carr

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Grade 2 Titanium

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Fed. Spec. FF-S-86

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Less than 100,000 psi

100,000 psi to 119,999 psi

120,000 psi to 129,999 psi

130,000 psi to 149,999 psi

150,000 psi or greater

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DFARS Specialty Metals

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Unified Standard Class 2A

Unified Standard Class 3A

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333 Products

Socket Head Screws

Stainless Steel Socket Head Screws

Stainless Steel Socket Head Screws

Won't rust or corrode when exposed to moisture and chemicals

Steel Socket Head Screws

Steel Socket Head Screws

The standard for high-strength fastening

Low-Profile Steel Socket Head Screws

The shorter head won't snag on components

Ultra-Low-Profile Steel Socket Head Screws

The lowest-profile socket head screw we offer

Brass Socket Head Screws

Brass Socket Head Screws

A shiny look and won't rust in damp environments

Titanium Socket Head Screws

Titanium Socket Head Screws

Lightweight like aluminum and more corrosion resistant than stainless steel

Aluminum Socket Head Screws

Aluminum Socket Head Screws

One-third the weight of steel

Plastic Socket Head Screws

Plastic Socket Head Screws

Secure parts without adding much weight

Sealing Socket Head Screws

Sealing Socket Head Screws

Keep out dust and contaminants and lock in air and fluid

Stainless Steel Thread-Locking Socket Head Screws

Stainless Steel Thread-Locking Socket Head Screws

Corrosion resistant with a bonded nylon patch so you don't have to add threadlocker yourself

Venting Socket Head Screws

Venting Socket Head Screws

A hole prevents the buildup of pressure and vacuum in sealed spaces

High-Profile Stainless Steel Socket Head Screws

Fasten parts in hard-to-reach places, such as deep holes tucked inside machinery

Stainless Steel Wire-Locking Socket Head Screws

Stainless Steel Wire-Locking Socket Head Screws

Our most vibration- and corrosion-resistant socket head screws

Sealing Thread-Locking Socket Head Screws

Sealing Thread-Locking Socket Head Screws

Seal out contaminants and lock in air and fluid in vibrating systems

Steel Thread-Locking Socket Head Screws

Steel Thread-Locking Socket Head Screws

Lock parts in place on vibrating machinery without having to add threadlocker yourself

Steel Wire-Locking Socket Head Screws

Steel Wire-Locking Socket Head Screws

Our most vibration-resistant socket head screws

Other Products

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

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