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Home / Connectors and Fasteners / Galvanized/304 Blind Hole Rivet Nut, Waterproof Closed-End Flat Head with Knurling, Sizes 4-10

Attributes

Brand -
Category Industrial Small Parts / Connectors and Fasteners
Origin -
Material Carbon Steel / 304 Stainless Steel
Surface Treatment Zinc Plated / Passivated
Thread Sizes M4, M5, M6, M8, M10
Head Style Flat Head
Body Shape Half Hex
End Type Closed End (Sealed)
Standard Compliance DIN / ISO Compatible
Color Silver / Zinc Yellow
Package Quantity 100 Pieces per Box
Primary Application Automotive, Machinery, Sheet Metal

5 reviews

A

Anonymous

Apr 20, 2026

Rating: 5/5

Easy installation

The half hex shape stops spinning during installation which saves a lot of frustration. Worked perfectly with my standard rivet nut tool.

A

Anonymous

Apr 12, 2026

Rating: 5/5

Perfect for my truck

Used these on my off-road bumper installation. The closed end keeps moisture out of the frame rails which was my main concern. Highly recommend for automotive work.

A

Anonymous

Mar 08, 2026

Rating: 5/5

Sealed end is great

Keeps water out of the frame where I installed them. The zinc plating looks durable and hasn't shown any rust after a few months of exposure.

A

Anonymous

Feb 22, 2026

Rating: 4/5

Good value

Most fit well, one was slightly tight on the mandrel but overall a good kit for the price. The half hex design really helps prevent spinning.

A

Anonymous

Feb 10, 2026

Rating: 5/5

Strong hold

Tested under vibration on a machinery panel and there was no loosening. The threads are clean and accept bolts smoothly.

5 FAQ

Q: Are these made of stainless steel?

A: We offer both Carbon Steel with Zinc Plating and 304 Stainless Steel options. Please select your preferred material at checkout.

Q: Can I use these outdoors?

A: Yes, especially the galvanized or 304 stainless steel versions which offer corrosion resistance suitable for outdoor environments.

Q: What tool is required to install these?

A: You will need a hand rivet nut tool or a pneumatic rivet nut gun compatible with metric threaded inserts.

Q: Will M6 fit a 6mm hole?

A: No, you need to drill the hole according to the specific grip range and diameter chart for each thread size provided in the manual.

Q: Is the end truly sealed against water?

A: Yes, the closed end design provides a seal to prevent liquids and debris from passing through the nut.

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