Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material	Alloy Steel
Strength Grade	12.9
Thread Type	External Thread (Both Ends)
Surface Finish	Black Oxide Coating
Hardness	39-44 HRC
Tensile Strength	1220 MPa Minimum
Yield Strength	1100 MPa Minimum
Thread Standard	ISO Metric
Packaging	Secure Industrial Box
Country of Origin	Imported

5 reviews

Anonymous

Apr 04, 2026

Rating: 4/5

Good but strict tolerances

Measurements were accurate and fit perfectly. Shipping took a bit longer than expected.

Anonymous

Mar 30, 2026

Rating: 5/5

High Quality Studs

These hold up well under high torque applications. No stripping observed during installation.

Anonymous

Mar 15, 2026

Rating: 5/5

Perfect for machinery

Used in assembly line for heavy equipment. Very reliable under stress.

Anonymous

Feb 22, 2026

Rating: 5/5

Strong material

No deformation during install. The 12.9 grade is legitimate.

Anonymous

Feb 07, 2026

Rating: 4/5

Solid purchase

Would buy again for projects. Good value for the price point.

5 FAQ

Q: Can I get a mill certificate?

A: Yes, material certificates are available upon request via email.

Q: Do you offer bulk discounts?

A: Yes, please contact our sales team for volume pricing inquiries.

Q: What is the lead time?

A: Standard orders usually ship within 2 business days.

Q: Are threads rolled or cut?

A: Threads are rolled for increased strength and durability.

Q: Are these corrosion resistant?

A: Black oxide offers mild protection. For outdoor use, additional coating is recommended.

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