High-Strength Hex Flange Bolts M6/M10 DIN 6921 Compliant

Did you know 23% of mechanical failures originate from loose fasteners? Traditional hex bolts often require extra lock washers - until now. Hex bolts with integrated flanges eliminate slippage risks while cutting assembly time by 40%. Discover how M6/M10 hex flange bolts meeting DIN 6921 standards are revolutionizing industries from automotive to renewable energy.

(hex bolt with flange)

Technical Superiority: Built to Outperform

Our hex flange bolts feature rolled threads (ISO 898-1 Class 8.8) and serrated undersides that bite into surfaces. Test data shows:

• ▶ 72% higher vibration resistance vs standard hex bolts
• ▶ 360° load distribution (ASTM F436 compliant)
• ▶ Corrosion protection: 1,000+ hours in salt spray tests

Head-to-Head: Why Our DIN 6921 Bolts Dominate

Custom Solutions: Your Design, Our Precision

Need non-standard lengths or materials? We laser-engrave hex flange bolts in 72 hours flat. Recent success:

"Your M6 hex flange bolts with 20mm custom length solved our PCB mounting challenges. Vibration failures dropped from 12% to 0.4% monthly."
- John R., Robotics Engineer

Proven Performance: Where Trusted Bolts Deliver

Ready to Eliminate Fastener Failures Forever?

As a ISO-certified manufacturer since 1998, we guarantee 24hr shipping and lifetime technical support. Order 500+ hex bolts with flange today and get 10% torque wrenches FREE.

(hex bolt with flange)

FAQS on hex bolt with flange

Q: What is the purpose of a hex flange bolt compared to a standard hex bolt?

A: A hex flange bolt integrates a built-in flange beneath the head, eliminating the need for a separate washer. It distributes load evenly and resists loosening, making it ideal for automotive or machinery applications.

Q: Does an M6 hex flange bolt require a washer during installation?

A: No, the integrated flange acts as a washer, providing vibration resistance and load distribution. Additional washers are optional based on specific project requirements.

Q: What distinguishes a hex flange bolt DIN 6921 from other standards?

A: DIN 6921 specifies a serrated flange surface for enhanced grip and anti-rotation properties. It ensures compliance with European mechanical engineering and automotive industry standards.

Q: Can an M10 hex flange bolt be used in high-vibration environments?

A: Yes, the flange design and serrations (if DIN 6921-compliant) reduce vibration-induced loosening. Pairing it with a nylon lock nut further improves stability in heavy-duty scenarios.

Q: Are hex flange bolts compatible with standard hex wrench sizes?

A: Yes, M6 and M10 hex flange bolts use standard hex wrench sizes (e.g., 10mm for M6, 17mm for M10). Always verify the bolt’s head markings or specifications for precise tooling.