Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material	Alloy Steel
Strength Grade	12.9
Surface Treatment	Nickel Plated
Head Style	Cylindrical Head
Drive Style	Hex Socket
Thread Standard	Metric ISO
Size Availability	M2, M3, M4, M5, M6, M8, M10, M12, M14, M16
Brand	Pengchi
Hardness	39-44 HRC
Package Type	Storage Box

5 reviews

Anonymous

Mar 28, 2026

Rating: 5/5

Exact Specifications

Measured dimensions and they are accurate to metric standards.

Anonymous

Mar 27, 2026

Rating: 4/5

Good Product

Screws are great quality, though the box was slightly damaged during shipping.

Anonymous

Mar 03, 2026

Rating: 5/5

Industrial Quality

Used these for assembly line fixtures. Very reliable and hold torque well.

Anonymous

Feb 20, 2026

Rating: 5/5

Best Price

Competitive pricing for grade 12.9 fasteners compared to local suppliers.

Anonymous

Jan 30, 2026

Rating: 5/5

Strong and Durable

No stripping even at high torque settings. Excellent hardness.

5 FAQ

Q: What key size is needed for M10?

A: An 8mm hex key is typically required for M10 socket cap screws.

Q: Are these compatible with aluminum parts?

A: Yes, but use proper torque to avoid stripping the aluminum threads.

Q: How many pieces per pack?

A: Quantity varies by size, usually 50 to 100 pieces per box.

Q: Do you offer wholesale discounts?

A: Yes, please contact customer service for bulk rates and pricing tiers.

Q: Is this suitable for high vibration environments?

A: Yes, grade 12.9 is recommended for such uses due to high tensile strength.

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