Class 8 Steel Hex Nuts | McMaster-Carr

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1,437 Products

Fastening and Joining

Hex Nuts

Handle most general fastening needs

571 products

Locknuts

Hold fasteners in place to prevent loosening from vibration

437 products

Flange Nuts

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

185 products

Coupling Nuts

Connect and extend threaded rods

60 products

Cap Nuts

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

29 products

Panel Nuts

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

1 product

Weld Nuts

Weld to metal surfaces to add permanent threads

5 products

Push Nuts

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

1 product

Clip-On Nuts

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

4 products

Thread Adapters

Join threads of a different type, size, and gender

143 products

Fluid Handling

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

1 product