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Home / Connectors and Fasteners / 4/6 Division 1 Inch Copper External Hex Jam Nut Backing Nut Flange Locking Nut Water Tank Fitting Fastener
Connectors and Fasteners

Attributes

Brand -
Category Industrial Small Parts / Connectors and Fasteners
Origin -
Material Copper
Thread Size 1/4", 3/8", 1"
Nut Type Hex Flange
Finish Natural Polish
Package Quantity 10 Pieces
Item Weight 8 Ounces
Compatibility Water Tank Fittings
Measurement System Imperial
Corrosion Resistance High
Manufacturer Generic Hardware Co.

5 reviews

A

Anonymous

Apr 18, 2026

Rating: 3/5

Size Clarification

Make sure to check which size you are ordering. I got the 1/4 inch by mistake.

A

Anonymous

Mar 14, 2026

Rating: 4/5

Good but Soft

Quality is good but copper is soft so don't overtighten. Works well for sealing.

A

Anonymous

Feb 26, 2026

Rating: 5/5

Great Value

Better price than local hardware store. Fast shipping and well packaged.

A

Anonymous

Feb 17, 2026

Rating: 5/5

No More Leaks

Solved my leaking issue immediately. The flange distributes pressure nicely.

A

Anonymous

Feb 16, 2026

Rating: 5/5

Excellent Quality

These nuts fit perfectly on my water tank inlet. The copper is thick and doesn't strip easily.

5 FAQ

Q: Are these suitable for outdoor use?

A: Yes, copper offers high resistance to outdoor weathering.

Q: What is the thread pitch for the 1/4 inch size?

A: The 1/4 inch size features a standard 20 threads per inch pitch.

Q: Are these solid copper or plated?

A: These are manufactured from solid copper material.

Q: Does the flange replace a separate washer?

A: Yes, the integrated flange acts as a built-in washer.

Q: Can these be used for gas lines?

A: We recommend consulting a professional for gas line applications.

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