Flange Head Nuts | McMaster-Carr

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System of Measurement

Thread Size

Nut Type

Material

Grade 2 Titanium

Stainless Steel

Finish

Cadmium Yellow-Chromate Plated

Corrosion-Resistant Coated

Neoprene Coated

Phosphate Coated

Tin Zinc Plated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Thread Pitch

Flange Diameter

Width

Height

Fastener Strength Grade/Class

Flange Thickness

Thread Type

Metric Rounded Trapezoidal

Metric Trapezoidal

Length

Thread Direction

Locking Type

Distorted Thread

Performance

Corrosion Resistant

High Temperature

Ultra Precision

Vibration Resistant

Thread Spacing

Hex Nut Profile

Rivet Nut Body Shape

For Material Thickness

0.000" to 0.197"

0.010" to 0.085"

0.01" to 0.165"

0.015" to 0.050"

0.015" to 0.094"

0.015" to 0.156"

0.015" to 0.188"

0.015" to 0.437"

0.015" to 0.643"

0.016" to 0.188"

0.020" to 0.079"

0.020" to 0.080"

0.020" to 0.085"

0.020" to 0.100"

0.020" to 0.118"

0.020" to 0.130"

0.020" to 0.150"

Thread Fit

Metric Class 5H

Metric Class 6G

Metric Class 6H

Metric Trapezoidal Class 7H

Unified Standard Class 1B

Unified Standard Class 2B

Unified Standard Class 3B

RoHS

Compliant with Exemptions

DFARS Specialty Metals

REACH

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Export Control Classification Number (ECCN)

How can we improve?

2,207 Products

Flange Nuts

Flange Nuts

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

Serrated Flange Nuts

Serrated Flange Nuts

Serrations on the flange bite into material for mild vibration resistance

Nylon-Insert Flange Nuts

Nylon-Insert Flange Nuts

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

Distorted-Thread Flange Nuts

Distorted-Thread Flange Nuts

The strongest hold of all the flange nuts we offer

Rotating Flange Nuts

Rotating Flange Nuts

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

JIS Flange Nuts

JIS Flange Nuts

Fasten parts and components that are made to Japanese Industrial Standards

12-Point-Drive Flange Nuts

12-Point-Drive Flange Nuts

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

High-Profile Flange Nuts

Large gripping area keeps wrenches from slipping off as you tighten

Mil. Spec. Distorted-Thread Flange Nuts

Mil. Spec. Distorted-Thread Flange Nuts

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

Self-Aligning Flange Nuts

Self-Aligning Flange Nuts

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

Thread-Repairing Flange Nuts

Thread-Repairing Flange Nuts

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

Other Products

Weld Nuts

Weld to metal surfaces to add permanent threads

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

Screw-Mount Nuts

Screw-Mount Nuts

Mount with screws, rivets, and nails to add threads to a surface

Push-Button Nuts

Push-Button Nuts

Disengage the threads to quickly slide along threaded rods

Easy to tighten and loosen by hand for making frequent adjustments

Precision Lead Screw Nuts

Precision Lead Screw Nuts

Pair with precision lead screws for accurate starts and stops in your assembly

Ball Screws and Nuts

Ball Screws and Nuts

Provide smooth travel where high speeds, accurate positioning, and repeatable movement are required

Rivet-Mount Nuts

Rivet-Mount Nuts

Add threads in hard-to-reach areas and materials that are too thin to be tapped

Lead Screw Nuts

Lead Screw Nuts

Mate with lead screws to move components in a straight line

Precision Lead Screw Nut Flanges

Precision Lead Screw Nut Flanges

Pair with precision lead screw nuts to make custom flange nuts that move items along lead screws

Push Nuts

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

Clamping Screw Nuts

Clamping Screw Nuts

Combine with other coil-thread components to build a fast-threading clamping assembly

Retaining Nuts for Backup Pads

Retaining Nuts for Backup Pads

Thread onto your tool’s arbor to hold a sanding disc against the backup pad

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.)