Flat Nuts | McMaster-Carr

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System of Measurement

Thread Size

Nut Type

Material

Grade 2 Titanium

Stainless Steel

Hex Nut Profile

Height

Width

Thread Pitch

Thread Direction

Finish

Black Zinc Plated

Cadmium Yellow-Chromate Plated

Corrosion-Resistant Coated

Phosphate Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Thread Type

Thread Spacing

Fastener Strength Grade/Class

Thread Fit

Metric Class 6G

Metric Class 6H

Unified Standard Class 1B

Unified Standard Class 2B

Unified Standard Class 3B

Specifications Met

Fed. Spec. FF-N-836

NEBS GR-63-CORE

Panel Nut Shape

Screw Size

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Locking Type

Weld Nut Shape

REACH

Performance

Corrosion Resistant

Vibration Resistant

Export Control Classification Number (ECCN)

Thumb Nut Profile

Drive Style

External Square

How can we improve?

2,542 Products

Fastening and Joining

Panel Nuts

Extremely thin for tight spots such as electrical panels; also known as dress nuts

Hex Nuts

Handle most general fastening needs

Easy to tighten and loosen by hand for making frequent adjustments

Square Nuts

Flat sides won’t spin in channels and square holes

Locknuts

Hold fasteners in place to prevent loosening from vibration

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

Adhesive-Mount Nuts

Adhesive-Mount Nuts

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

Clip-On Nuts

Slide onto the edge of thin panels to create a fastening point

Snap-In Nuts

Push into square holes in thin materials to add bolts for aligning off-center parts

Power Transmission

Shock Absorber Mounting Nuts

Shock Absorber Mounting Nuts

Secure shock absorbers after threading them into mounting blocks

Bearing Nuts

Hold bearings, bushings, pulleys, and gears in place on threaded shafts and spindles

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