Setup Nuts | McMaster-Carr

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Stainless Steel

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With Sight Hole

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Hex Nut Profile

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Black Zinc Plated

Cadmium Yellow-Chromate Plated

Corrosion-Resistant Coated

Hot-Dipped Galvanized

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Zinc Flake Coated

Fastener Strength Grade/Class

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Thread Direction

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Distorted Thread

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Performance

Chemical Resistant

Corrosion Resistant

Finish-Your-Own

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High Temperature

Impact Resistant

Metal Detectable

Moisture Resistant

Noncontaminating

Seize Resistant

Specifications Met

Federal Specification

Length

Fastener Strength Rating

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External 12-Point

External Square

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Metric Class 5H

Metric Class 6G

Metric Class 6H

Metric Class 7H

Unified Standard Class 1B

Unified Standard Class 2B

Unified Standard Class 3B

DFARS Specialty Metals

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Compliant with Exemptions

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Export Control Classification Number (ECCN)

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How can we improve?

9,599 Products

Fastening and Joining

Flange Nuts

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

Coupling Nuts

Connect and extend threaded rods

Hex Nuts

Handle most general fastening needs

Push-Button Nuts

Push-Button Nuts

Disengage the threads to quickly slide along threaded rods

Locknuts

Hold fasteners in place to prevent loosening from vibration

Square Nuts

Flat sides won’t spin in channels and square holes

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

Split Nuts

Swivel to attach at any point on a threaded rod for quick installation

Sealing Nuts

Prevent leaks and block out contaminants with a rubber seal

Slotted Round Nuts

Slotted Round Nuts

Fasten with a screwdriver in tight spots where there's no room for a wrench

Weld Nuts

Weld to metal surfaces to add permanent threads

Push Nuts

Press onto threads for a light duty hold that’s faster to install than typical nuts

Rivet Nuts

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

Adhesive-Mount Nuts

Adhesive-Mount Nuts

Attach threads to material that’s too thin for a threaded insert

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Fabricating and Machining

Fixturing Kits

Everything needed to mount workpieces of different sizes to your machine table

T-Slot Nuts

Combine with setup studs or bolts to mount fixtures to machine tables

T-Tracks

Add fixturing to flat surfaces on machines such as table saws, CNC routers, and drill presses

Clamps

Hold workpieces securely in place

Facility and Grounds Maintenance

Toilet Seat Fasteners

Toilet Seat Fasteners

Secure toilet seat hinges to your toilet bowl

Material Handling

Turnbuckles

Twist the body or end fittings to adjust the length and tension of attached rope and chain

Building and Machinery Hardware

Strut Channel Framing and Fittings

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

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