Use these nuts with plastic compression fittings to create a seal on plastic tubing. They're moisture-resistant acetal, so they won't absorb water and soften, even in high-humidity environments.

Use these nuts with high-temperature compression fittings for food and beverage to create a seal on plastic tubing.

Use these nuts with compression sleeves and fittings to create a strong seal on stainless steel tubing.

Pair these nuts with vibration-resistant compression sleeves and fittings for a strong seal on stainless steel tubing.

Create a strong seal on copper tubing when you couple these nuts with compression sleeves and fittings.

Use these nuts with a sleeve and fitting to provide a tight metal-to-metal seal on steel tubing that is flared to 37°.

Use these nuts with compression sleeves and fittings, also known as bite fittings, to create a strong seal on steel tubing.