Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material	Carbon Steel
Standard	GB/Q371
Surface Treatment	Zinc Plated
Thread Size Range	M4-M16
Hardness	250-350 HV
Nut Shape	Square
Weld Type	Spot Welding
Application	Automotive & Machinery
Package Quantity	100 Pieces
Manufacturing Origin	China

5 reviews

Anonymous

Mar 17, 2026

Rating: 5/5

Quick Ship

Arrived faster than expected. Will order again for next project.

Anonymous

Mar 17, 2026

Rating: 5/5

Exact Fit

Ordered M8 size and threads matched our bolts exactly. Very satisfied.

Anonymous

Mar 13, 2026

Rating: 4/5

Good Value

Quality is good for the price. Packaging was a bit messy upon arrival.

Anonymous

Feb 15, 2026

Rating: 5/5

Solid Construction

These nuts welded perfectly onto our chassis frames. No stripping issues.

Anonymous

Feb 12, 2026

Rating: 5/5

Industrial Grade

Using these for heavy machinery assembly. They hold up well under vibration.

5 FAQ

Q: Do you sell M20 size?

A: Currently we stock up to M16 for this model.

Q: What gauge steel works best?

A: Recommended for 1.5mm to 4mm sheet metal.

Q: Is this stainless steel?

A: No, this is carbon steel with zinc plating.

Q: Are these metric threads?

A: Yes, all sizes listed are standard metric threads.

Q: What is the warranty?

A: We offer a 30-day return policy on unused items.

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