Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material	Alloy Steel
Strength Grade	12.9
Head Style	Cylindrical Head Cap
Drive Type	Hex Socket (Allen)
Thread Type	Metric Coarse
Surface Finish	Black Oxide
Standard Compliance	DIN 912 / ISO 4762
Available Sizes	M18, M20, M22, M24, M27, M30, M36, M48
Hardness	39-44 HRC
Packaging	Industrial Box

5 reviews

Anonymous

Apr 11, 2026

Rating: 5/5

Industrial Grade

We use these in our manufacturing line. They meet all our structural requirements consistently.

Anonymous

Mar 27, 2026

Rating: 4/5

Good Quality

The bolts themselves are excellent quality. Shipping took a bit longer than expected but the product is worth it.

Anonymous

Mar 16, 2026

Rating: 5/5

Perfect Fit

Threads are clean and precise. No issues fitting them into standard metric tapped holes.

Anonymous

Jan 26, 2026

Rating: 5/5

Great Value

Competitive pricing for Grade 12.9 fasteners. Will definitely order again for future projects.

Anonymous

Jan 25, 2026

Rating: 5/5

Strong and Reliable

Used these for heavy equipment repair. The tensile strength is exactly as specified and they held up under high torque.

5 FAQ

Q: What is the recommended torque for the M30 size?

A: Torque specifications depend on lubrication and application. Please consult a standard torque chart for Grade 12.9.

Q: Is there a discount for purchasing over 100 units?

A: Yes, we offer tiered pricing for bulk purchases. Please contact our sales team for a quote.

Q: Are these screws made of stainless steel?

A: No, these are made of alloy steel with a black oxide finish for high strength.

Q: Do you provide material test reports for these screws?

A: Yes, Mill Test Reports are available upon request for bulk orders.

Q: What is the thread pitch for the M24 bolt?

A: The standard coarse thread pitch for M24 is 3.0mm.

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