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Home / Connectors and Fasteners / 304 Stainless Steel Cross Rounding Head Screws M2-M6
Connectors and Fasteners

Attributes

Brand -
Category Industrial Small Parts / Connectors and Fasteners
Origin -
Material Alloy Steel
Strength Grade 10.9
Head Style Pan Head
Drive Type Cross-Recessed (Phillips)
Thread Type Tri-Lobular Self-Tapping
Standard Compliance GB6560
Surface Finish Zinc Plated
Available Sizes M3, M4, M5, M6
Locking Feature Integrated Locking Patch
Package Quantity 100 Pieces per Box

5 reviews

A

Anonymous

Apr 10, 2026

Rating: 4/5

Good Value

Solid screws but the head strips easily if you use the wrong driver size. Otherwise good quality.

A

Anonymous

Mar 28, 2026

Rating: 5/5

Excellent Hardness

Used these for engine mounts and they held up perfectly under high torque. The 10.9 grade is legitimate.

A

Anonymous

Mar 09, 2026

Rating: 5/5

Great Vibration Resistance

The locking type works well on my CNC machine. No loosening after weeks of operation.

A

Anonymous

Feb 22, 2026

Rating: 5/5

Industrial Grade

Perfect for heavy machinery assembly. The tri-lobular design makes installation much faster.

A

Anonymous

Jan 26, 2026

Rating: 5/5

Precise Fit

GB6560 standard met perfectly. Threads cut cleanly into the metal housing without cracking.

5 FAQ

Q: What is the minimum order quantity?

A: You can order as little as one box containing 100 pieces. Bulk discounts apply for 10+ boxes.

Q: What driver size is recommended for M4?

A: For M4 pan head cross-recessed, a PH2 driver is typically recommended for optimal torque transfer.

Q: Can I use these screws on plastic components?

A: Not recommended. These are hardened steel and may crack plastic. We suggest using standard self-tappers for plastic.

Q: Are these threads metric coarse or fine?

A: These screws feature standard metric coarse thread pitch suitable for general industrial applications.

Q: Is stainless steel available for this model?

A: Currently, this specific GB6560 locking type is only available in alloy steel with zinc plating.

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