Setup Nuts | McMaster-Carr

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Stainless Steel

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With Sight Hole

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Black Zinc Plated

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Hex Nut Profile

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Metric Class 5H

Metric Class 6G

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Unified Standard Class 1B

Unified Standard Class 2B

Unified Standard Class 3B

Specifications Met

Federal Specification

Length

Fastener Strength Rating

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External 12-Point

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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?

9,767 Products

Flange Nuts

Flange Nuts

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

Rotating Flange Nuts

Rotating Flange Nuts

Won't scratch the surface of finished parts as you tighten

Serrated Flange Nuts

Serrated Flange Nuts

Serrations on the flange bite into material for mild vibration resistance

Self-Aligning Flange Nuts

Self-Aligning Flange Nuts

Clamp workpieces that aren't perfectly parallel to the mounting surface

Distorted-Thread Flange Nuts

Distorted-Thread Flange Nuts

The strongest hold of all the flange nuts we offer

High-Profile Flange Nuts

Large gripping area keeps wrenches from slipping off as you tighten

12-Point-Drive Flange Nuts

12-Point-Drive Flange Nuts

More points of contact than a hex head nut to achieve a tighter fit

Nylon-Insert Flange Nuts

Nylon-Insert Flange Nuts

A nylon insert grips the screw for a stronger hold than a serrated flange

Mil. Spec. Distorted-Thread Flange Nuts

Mil. Spec. Distorted-Thread Flange Nuts

Meet U.S. military standards and have the strongest hold

JIS Flange Nuts

JIS Flange Nuts

Fasten parts and components that are made to Japanese Industrial Standards

Thread-Repairing Flange Nuts

Thread-Repairing Flange Nuts

Cut through rust, residue, and weld spatter to restore damaged threads

Other Products

Fixture Kits

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

Coupling Nuts

Connect and extend threaded rods

T-Slot Nuts

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

Hex Nuts

Handle most general fastening needs

Locknuts

Hold fasteners in place to prevent loosening from vibration

Weld Nuts

Weld to metal surfaces to add permanent threads

Easy to tighten and loosen by hand for making frequent adjustments

Push-Button Nuts

Push-Button Nuts

Disengage the threads to quickly slide along threaded rods

Cap Nuts

Cover and protect threads while adding a finished look; also known as acorn nuts

Square Nuts

Flat sides won’t spin in channels and square holes

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

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

Adhesive-Mount Nuts

Adhesive-Mount Nuts

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

Push Nuts

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

Turnbuckle Nuts

Turnbuckle Nuts

Tighten against a turnbuckle body to prevent the end fitting from unscrewing

Sealing Nuts

Prevent leaks and block out contaminants with a rubber seal

Split Nuts

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

Rivet Nuts

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

Clamping Screws

Clamping Screws

Apply pressure through a flat-tipped screw to hold material in place

Slotted Round Nuts

Slotted Round Nuts

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

T-Tracks

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

Toilet Seat Fasteners

Toilet Seat Fasteners

Secure toilet seat hinges to your toilet bowl

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