What Are Jam Nuts and How Do They Work?

These work great on the rear torsion arms and w-link/birdcage heim. The flange helps to keep the heim from turning. Aluminum Black Anodized.

Flanged Jam Nuts

Hex Jam Nuts High-Quality Hex Jame Nuts

Standard Hex Nylon Jam Nuts, Nylon Insert Lock Nuts

Lock Nut Types: Nylon Insert Lock Nuts, Jam Nuts, and Bearing Lock

What to Know About the Threads of a Fastener

Hex Jam Nut, thin, 9/16-16 TPI, BSF

Jam nuts are tightened against the work surface and a finished or heavy hex nut is tightened agianst the jam to keep it from loosening

1/4-20 A563 Grade A Heavy Hex Jam Nut, Plain (Inch) (Quantity: 100) (Thread Diameter - Pitch: 1/4-20)

Jam Nuts - Cruisers & Sailing Forums

5/8-11 LEFT HAND REG FINISHED HEX JAM NUTS

Jam Nuts - Structural engineering general discussion - Eng-Tips

Lock Nut Types: Nylon Insert Lock Nuts, Jam Nuts, and Bearing Lock