Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material	Alloy Steel
Strength Grade	12.9
Head Style	Cylindrical Head
Drive Type	Hex Socket
Surface Finish	Black Oxide
Thread Type	Metric Coarse
Package Quantity	120 Pieces
Compliance Standard	DIN 912 / ISO 4762
Min Tensile Strength	1220 MPa
Country of Origin	Imported

5 reviews

Anonymous

Apr 19, 2026

Rating: 5/5

Excellent hardness

These bolts held up under high torque without stripping. Perfect for my machinery repair project.

Anonymous

Apr 05, 2026

Rating: 4/5

Good value

Solid set for the price. Packaging was secure and all sizes were labeled clearly.

Anonymous

Mar 16, 2026

Rating: 4/5

Mostly accurate

One size was slightly off but customer service resolved it quickly. Good strength overall.

Anonymous

Mar 08, 2026

Rating: 5/5

Fast delivery

Arrived earlier than expected. Tax invoice was included as described.

Anonymous

Feb 24, 2026

Rating: 5/5

Professional quality

Using these for automotive assembly. No issues so far and the black oxide finish looks great.

5 FAQ

Q: Is the thread type metric or UNC?

A: All screws in this set feature Metric coarse threads.

Q: Can I use these in high vibration environments?

A: Yes, Grade 12.9 is suitable for high stress, but we recommend using thread locker.

Q: Are nuts and washers included in the set?

A: Yes, the set includes matching nuts and washers for each screw size.

Q: Does this come with a tax invoice?

A: Yes, a tax invoice is automatically included with your shipment.

Q: What is the hardness rating?

A: These are Grade 12.9 with a hardness of approximately 39-44 HRC.

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