Zinc Yellow-Chromate Plated Fasteners | McMaster-Carr

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30,000 psi to 99,999 psi

100,000 psi or greater

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Tamper Resistant

DFARS Specialty Metals

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Metric Class 6g

Metric Class 6G

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Metric Class 6H

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3,238 Products

Fastening and Joining

Hex Head Screws

Hex Head Screws

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

Square Head Screws

Square Head Screws

Turn the large flat sides with a wrench into square holes that stop further rotation

Carriage Bolts

A smooth head provides a finished look while a square neck keeps the bolt in place when using a nut

Elevator Bolts

Create a flush joint to allow movement in tight spaces such as grain elevators and belting systems

Jack Screws

Secure computer cables and panels

Drywall Screws

Fasten panels of drywall to materials such as wood, metal, and drywall

Plow Bolts

The head sits flush with countersunk holes while the bolt stays in place when tightening a nut

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

Hex Nuts

Handle most general fastening needs

Locknuts

Hold fasteners in place to prevent loosening from vibration

Flange Nuts

The flange distributes pressure, so you don't need a washer

Tamper-Resistant Nuts

Tamper-Resistant Nuts

Hard to detach without special tools to prevent unwanted removal

Washers

Nearly every size and shape imaginable, from flat washers to clipped to curved

Lock Washers

Resist vibration to prevent fasteners from loosening

Rivet Nuts

Add threads to thin panels with access from only one side; also known as blind inserts

Threaded Rods

Anchor, connect, or hang components in a wide variety of applications

Linch Pins

Slide into holes on clevis pins and shafts and snap down the locking ring so parts won’t fall off

Quick-Release Pins

Quick-Release Pins

Fasten or remove components on equipment with a spring-loaded retaining ball

Clevis Pins

Secure parts in place and lock with a cotter pin or retaining ring

Anchors

Secure anything from signs to heavy machinery in concrete, brick, and drywall

Retaining Rings

Retaining Rings

Hold components on a shaft

Spring Button Clips

Spring Button Clips

Join pieces of telescoping tubing using spring force

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.)