Galvanized Black Backnuts Backnuts ANSI B1.20.1 ASTM A-197

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Black Backnuts Backnuts Features:

1. Material: Black backnuts are typically made from black iron or steel. The black coating helps prevent rust and corrosion.
Hexagonal Shape: Black backnuts often have a hexagonal shape on the outside, allowing for easy tightening using a wrench or other suitable tools.
2. Sealing: When tightened properly, black backnuts create a secure connection between pipes and fittings, preventing leaks at the joint.
3. Versatility: They are used in various plumbing applications, such as connecting pipes, valves, faucets, and other plumbing fixtures.

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