Passivated Fasteners | McMaster-Carr

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18-8 Stainless Steel

300 Series Stainless Steel

316 Stainless Steel

400 Series Stainless Steel

Fastener Head Type

System of Measurement

Head Diameter

Rounded Head Style

Threading

Partially Threaded

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Head Height

Drive Size

Countersink Angle

Thread Type

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Thread Pitch

Thread Direction

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Specifications Met

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DFARS Specialty Metals

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Export Control Classification Number (ECCN)

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9,843 Products

Fastening and Joining

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

Socket Head Screws

Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

Shoulder Screws

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

Oval Head Screws

Oval Head Screws

A decorative, domed head sits above the surface when installed

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

Spacers

Unthreaded to create space between two surfaces or objects, often to align them

Lock Washers

Resist vibration to prevent fasteners from loosening

Easy to tighten and loosen by hand for making frequent adjustments

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Material Handling

Eyebolts

Route rope through the loop or attach hooks and shackles for lifting

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