Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material	Alloy Steel
Surface Finish	Nickel Plated
Strength Grade	12.9
Head Style	Cylindrical Socket Head
Drive Type	Internal Hex
Thread Type	Metric Coarse
Size Range	M2 to M16
Tensile Strength	1220 MPa Minimum
Hardness	39-44 HRC
Packaging	Protective Plastic Box

5 reviews

Anonymous

Apr 18, 2026

Rating: 5/5

Very Strong

Grade 12.9 is no joke. These hold up under high tension without stripping. Highly recommend for serious projects.

Anonymous

Apr 16, 2026

Rating: 5/5

Perfect Fit

Ordered M6 size. They fit perfectly into my tapped holes. No issues with alignment or tightening.

Anonymous

Mar 14, 2026

Rating: 5/5

Reliable Supplier

Second time ordering. Consistent quality and fast shipping. The packaging protects the heads well.

Anonymous

Mar 10, 2026

Rating: 4/5

Good but pricey

Quality is undeniable, but they are a bit more expensive than zinc plated options. Worth it for corrosion resistance though.

Anonymous

Feb 11, 2026

Rating: 5/5

High Quality Fasteners

These screws are exactly what I needed for my machinery assembly. The nickel plating is uniform and the threads are precise.

5 FAQ

Q: Are these suitable for outdoor use?

A: Yes, the nickel plating provides excellent corrosion resistance for outdoor environments.

Q: Do you sell matching nuts?

A: Yes, please search our store for Grade 12.9 hex nuts in the corresponding size.

Q: What Allen key size is needed for M8?

A: Typically a 6mm hex key is required for M8 socket head cap screws.

Q: Is there a certificate of conformity included?

A: Bulk orders typically include a material test report. Please contact us for specific documentation needs.

Q: Can these be welded?

A: Welding high strength steel like Grade 12.9 is not recommended as it affects the heat treatment and strength.

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