Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material	304 Stainless Steel
Color	Black
Thread Standard	Metric
Head Shape	Hexagonal
Kit Contents	Nuts, Flat Washers, Spring Washers
Available Sizes	M3, M4, M5, M6, M8, M10
Surface Treatment	Black Oxide Coating
Corrosion Resistance	Excellent
Storage Case	Compartmentalized Plastic Box
Recommended Use	Machinery, Automotive, DIY

5 reviews

Anonymous

Apr 18, 2026

Rating: 4/5

Good Value

One washer was slightly bent but overall satisfied with the kit.

Anonymous

Apr 16, 2026

Rating: 5/5

Fast Shipping

Package arrived well protected and organized in the box.

Anonymous

Mar 01, 2026

Rating: 5/5

Sturdy Build

Used these for my bike rack, no rust so far after a few months.

Anonymous

Feb 06, 2026

Rating: 5/5

Great Assortment

Having all these sizes in one box is very convenient for repairs.

Anonymous

Feb 03, 2026

Rating: 5/5

Excellent Quality

The black finish is very smooth and fits perfectly on my project.

5 FAQ

Q: Is the black coating prone to chipping?

A: The oxide coating is durable but avoid excessive torque.

Q: Can I use these for outdoor furniture?

A: Yes, 304 steel is suitable for most outdoor conditions.

Q: Are these nuts metric or imperial?

A: These are metric sizes ranging from M3 to M10.

Q: Does the box have a latch?

A: Yes, the plastic case features a secure closing latch.

Q: Are spring washers included for all sizes?

A: Yes, each size includes matching flat and spring washers.

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