Collar Nuts | McMaster-Carr

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System of Measurement

Thread Size

Nut Type

Material

Finish

Cadmium Yellow-Chromate Plated

Corrosion-Resistant Coated

Zinc Yellow-Chromate Plated

Height

Thread Pitch

Width

Flange Diameter

Fastener Strength Grade/Class

Locking Type

Hex Nut Profile

Flange Thickness

Thread Type

Metric Rounded Trapezoidal

Thread Direction

Thread Spacing

Performance

Drive Style

Weld Nut Shape

Length

Thread Fit

Metric Trapezoidal Class 7H

Unified Standard Class 1B

Unified Standard Class 2B

Unified Standard Class 3B

RoHS

Compliant

Compliant with Exemptions

Not Compliant

DFARS Specialty Metals

REACH

Export Control Classification Number (ECCN)

EAR99

Fastener Strength Rating

1,686 Products

Fastening and Joining

Flange Nuts

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

769 products

Thumb Nuts

Easy to tighten and loosen by hand for making frequent adjustments

145 products

Push-Button Nuts

Disengage the threads to quickly slide along threaded rods

5 products

Weld Nuts

Weld to metal surfaces to add permanent threads

308 products

Push Nuts

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

9 products

Screw-Mount Nuts

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

27 products

Adhesive-Mount Nuts

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

162 products

Rivet-Mount Nuts

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

42 products

Retaining Rings

Hold components on a shaft

8 products

Power Transmission

Lead Screw Nuts

Mate with lead screws to move components in a straight line

147 products

Lead Screw Nut Flanges

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

18 products

Ball Screws and Nuts

Internal ball bearings roll on screws for low friction when moving components at high speeds

42 products

Facility and Grounds Maintenance

Toilet Seat Fasteners

Secure toilet seat hinges to your toilet bowl

1 product

Fabricating and Machining

Clamps

Hold workpieces securely in place

2 products