M8 Hex Flange Bolt
Length: 5-120mm and Customized
Standard: DIN
Size: M1-M36
Grade: 4.8,8.8,10.9,12.9.etc
Certificates: ISO9001
M8 Hex Flange Bolt
XI AN LINHUI IMPORT AND EXPORT Co., LTD. manufactures premium M8 Hex Flange Bolt compliant with DIN standards, engineered for superior load distribution and corrosion resistance. Our bolts feature lengths ranging from 5-120mm with full customization available, covering sizes M1-M36 across multiple strength grades including 4.8, 8.8, 10.9, and 12.9.
Certified under ISO9001:2015, each bolt delivers consistent torque-tension characteristics with integrated flange design eliminating the need for separate washers. The flange diameter provides bearing area 3-4 times larger than standard hex bolts, preventing surface embedment on aluminum and composite substrates while ensuring precise preload in critical assemblies.
Key Features & Benefits
Our product eliminates installation complexity through integrated flange geometry. The expanded bearing surface distributes clamping forces evenly, reducing stress concentration by 40% compared to conventional bolt-washer combinations.
Grade 8.8 and 10.9 variants deliver tensile strengths of 800-1000 MPa respectively. High-grade alloy steel construction ensures consistent performance under cyclic loading. Thread rolling processes enhance fatigue life by 25% over cut threads.
Zinc plating and Geomet coatings provide 720+ hours salt spray resistance. You benefit from reduced inventory costs by eliminating separate washer management while achieving faster assembly times.
Product Information
| Product name | M8 Hex Flange Bolt |
| Length | 5-120mm and Customized |
| Standard | DIN |
| Size | M1-M36 |
| Grade | 4.8,8.8,10.9,12.9.etc |
| Certificates | ISO9001 |
| Package | according to customers requirement |
| Application | Industry,Cars,etc |
Chemical Composition
Review 8.8 jolts contain Carbon 0.20-0.55%, Manganese 0.60-1.00%, with controlled Phosphorus and Sulfur underneath 0.035% each. Boron micro-alloying makes strides hardenability without compromising ductility.
Grade 10.9 variations utilize medium carbon steel with 0.25-0.55% Carbon, improved with Chromium and Molybdenum for prevalent malleable properties. Warm treatment refines grain structure for ideal strength-ductility balance.
Manufacturing Process
Wire bar experiences cold heading to frame head and shank geometry. String rolling makes exact M8 x 1.25mm pitch with work-hardened surface layers.
Heat treatment cycles incorporate extinguishing and treating to accomplish target hardness (HRC 22-32 for Review 8.8). Surface coating application takes after with zinc electroplating or Geomet showering. Last dimensional assessment confirms GO/NO-GO gage compliance.
Quality Inspection
Every group experiences verification stack testing at 85% of least pliable quality. Dimensional metrology affirms string exactness inside 6g resilience course. X-ray fluorescence confirms fabric composition.
Torque-tension testing sets up K-factor consistency over generation parts. Salt shower chambers approve coating strength surpassing 480 hours least. Traceability documentation goes with each shipment with EN 10204 3.1 certificates.
Applications
Automotive chassis gathering benefits from vibration-resistant rib plan. Mechanical apparatus employments these jolts where washers cannot be held amid upkeep cycles.
Construction hardware depends on the extended bearing range for delicate substrate mounting. Hardware walled in areas indicate them for EMI protecting coherence. HVAC frameworks utilize stainless variations in destructive situations.
Export Markets
Our M8 Hex Flange Bolt serves clients across North America, European Union, and Southeast Asia. Major shipments reach automotive hubs in Germany and Mexico, with growing demand from Middle Eastern infrastructure projects.
CIS countries source bulk quantities for oil field equipment. African markets value cost-effective solutions with reliable quality documentation.
Why Choose Us?
Coordinate process estimating decreases your obtainment costs by 15-20%. ISO9001 certification ensures reliable quality over 200+ tons stock. Specialized bolster group reacts inside 4 hours with fabric determination guidance.
Flexible MOQ suits trial orders from 100 kg. Surge conveyance accessible for pressing necessities with 3-7 day stock shipments. Multilingual benefit in English and Chinese guarantees clear communication.
Packaging & Shipping
Bolts are pressed in moisture-proof plastic packs, at that point cartons with froth separators avoiding travel harm. Bed loads utilize steel strapping with corner defenders. Send out wooden cases comply with ISPM15 fumigation standards.
Standard lead time: 15-25 days for generation orders. Express shipping accomplices incorporate DHL and FedEx for tests. Full holder loads dispatch by means of major ports with total traditions documentation.
FAQ
Q: Can M8 review 10.9 supplant review 12.9 bolts?
A: No, review 10.9 has lower malleable quality. Designing approval required some time recently substitution in high-stress applications.
Q: Are strings completely or somewhat threaded?
A: Standard hone employments halfway strings on lengths over 50mm to progress shear quality in smooth shank section.
Q: Will zinc coating influence torque requirements?
A: Yes, diminish torque by 10-15% compared to uncoated jolts due to lower grinding coefficient.
Q: What's the spine advantage over partitioned washers?
A: Coordinates spine disposes of washer misfortune amid gathering and guarantees reliable bearing surface arrangement.
Request a Quote
Contact our engineering team for custom specifications and volume pricing on M8 Hex Flange Bolt solutions. Email your technical drawings and quantity requirements to linhui@lhtitanium.com today.
