High-Performance Hex Flange Bolts for Automotive & Construction
- Integrated Flange Design: The flange head incorporates a built-in gasket function, eliminating the need for additional components, enabling more efficient assembly and more uniform force distribution.
- Full Size: Covers the complete range of metric M5-M24 and imperial 1/4″-3/4″ specifications, with ample stock available.
- Anti-Corrosive: Supports surface treatments such as electro-galvanizing, hot-dip galvanizing, and Dacromet, ensuring long-lasting durability even in harsh environments.
T&Y Hardware: Your Trusted Partners for Metric and Inch Hex Flange Bolts
T&Y offers a full range of metric and imperial flanged hex head bolts. Popular specifications such as M6, M8, and M10 are consistently stocked, available with international standard full or partial threads to ensure high compatibility. All bolts are manufactured from high-strength, premium-quality steel, offering fatigue resistance and enhanced durability.
We also support deep OEM/ODM customization to meet various lengths and surface treatment requirements. Our factory has passed multiple international certifications, including ISO 9001, ISO 45001, ISO 14001, and RoHS, ensuring reliable quality and making us the preferred choice for competitive fastener solutions.
Multi-Standard For Hex Flange Bolts
T&Y Hardware possesses multi-standard supply capabilities. In addition to conventional DIN 6921, we also comprehensively supply metric and imperial flange bolts such as ISO, JIS, and ASME/IFI, providing globally applicable and highly adaptable fasteners for customers worldwide.
DIN German Standard is also the most widely used metric flange bolt standard globally. The flange has a larger diameter, which effectively disperses pressure and is widely applied in the European machinery and automotive industries.
Property Class: (Carbon Steel) 8.8, 10.9, 12.9 / (Stainless Steel): A2-70, A4-80
Size Range: M5 – M20
Length: 10mm – 200mm
Japanese Industrial Standard, commonly found in Japanese automobiles like Toyota and Honda, as well as precision electronic equipment. The small head is ideal for tight assemblies with limited installation space.
Strength Class: Carbon Steel: 4.8, 8.8, 10.9
Special Grades: 7T, 8T, 10T
Size Range: M5 – M12
Length: 10mm – 150mm
The metric standard established by the International Organization for Standardization is more stringent than the old DIN standard in terms of tolerance and material requirements, making it the preferred choice for current multinational large-scale projects and high-precision applications.
Property Class: (Carbon Steel) 8.8, 10.9, 12.9 / (Stainless Steel): A2-70, A4-80
Size Range: M5 – M24
Length: 12mm – 240mm
The mainstream imperial standard in North America. IFI 111 specifically refers to hex flange bolts, while ASME B18.2.1 is a broader American standard specification for fasteners. This is an essential standard for entering the U.S. and Canadian markets.
Grade: Grade 2 (Low Carbon Steel), Grade 5 (Medium Carbon Steel, Quenched), Grade 8 (Alloy Steel, High Strength)
Size Range: 1/4″ – 3/4″ (including UNC coarse thread and UNF fine thread)
Length: 1/2″ – 8″
Custom & Special Hex Flange Bolts
In addition to standard serrated hex head flange bolts, T&Y also supplies special fasteners such as non-serrated, Torx drive, and shoulder flange bolts, meeting various application requirements, including anti-loosening, positioning, or high-torque assembly.
Our advantages
Certified by ISO 9001, ISO 45001, ISO 14001, and ROHS.
Focusing on fastener manufacturing for 23 years, we have built a reputation in the industry and are worthy of your trust!
Standard models are fully stocked and can be shipped shortly after you place your order.
Carefully customize one-stop fastener comprehensive solutions to meet the diverse needs of customers.
- Our Certificate
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