Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material	Carbon Steel
Surface Treatment	Zinc Plated
Thread Standard	Metric
Hex Size	10mm
Total Length	30mm
Inner Thread	M6
Package Count	10 Pieces
Hardness Grade	8.8
Color	Silver
Country of Origin	China

5 reviews

Anonymous

Mar 29, 2026

Rating: 5/5

Reliable Hardware

Using these for a DIY project involving tire connectors. They fit securely and look professional.

Anonymous

Mar 20, 2026

Rating: 5/5

Great Value

Good quality for the price. I used these for a small machinery repair and they held up well.

Anonymous

Mar 12, 2026

Rating: 4/5

Good but tight

The coupling is strong, but the threads were a bit tight initially. Needed some effort to screw on.

Anonymous

Feb 20, 2026

Rating: 5/5

Solid Build

Works perfectly for my shaft connection. The metal feels sturdy and the threading is precise.

Anonymous

Feb 07, 2026

Rating: 5/5

Exactly as described

Fast shipping and correct size. Matches the specifications listed in the product description perfectly.

5 FAQ

Q: What is the return policy for this hardware?

A: We offer a 30-day return policy for unused items in their original packaging.

Q: Can I purchase this in bulk quantities?

A: Yes, please contact our customer service team directly for bulk pricing options.

Q: Is this made of stainless steel?

A: No, this coupling is made of carbon steel with a zinc plated finish for corrosion resistance.

Q: Does the package include mounting screws?

A: No, this package contains the coupling nuts only. Screws are sold separately.

Q: What is the thread pitch for this item?

A: The thread pitch is standard 1.0mm for the M6 inner thread specification.

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