Self-Locking Hex Nuts | McMaster-Carr

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2,431 Products

Fastening and Joining

Locknuts

Hold fasteners in place to prevent loosening from vibration

Flange Nuts

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

Cap Nuts

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

Split Nuts

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

Sealing Nuts

Prevent leaks and block out contaminants with a rubber seal

Weld Nuts

Weld to metal surfaces to add permanent threads

Fluid Handling

Pipe and Pipe Fittings

Pipe and Pipe Fittings

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

Power Transmission

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.)