M8 Hexagonal Flange Bolts

Flange Bolts head that acts like a washer to distribute the load. that are non-serrated are sometimes called frame bolts. Hex flange bolts are used on vehicle frames, especially truck frames, and anywhere a hex washer head bolt is needed. The large bearing surface distributes clamping force over a large area, allowing them to be used with irregular and oversized holes.


Good Material

High hardness, firm and tight, long use time


Mature technology

International standards and good surface treatment


Customized Service

OEM/ODM, Any size and type can be customized


Anti Rust

Anti-corrosion, anti-rust, no discoloration, high-temperature resistance


  • Materials: Stainless steel, Titanium, aluminum, carbon steel, Brass tec
  • Standard: DIN, GB, ISO, JIS, ANSI, etc
  • Surface treatment: Plated, Natural, Acromet, Geomet, HDG, Anodizing, and more
  • Size: From M1 To M20 and more
  • Can be a serrated flange

Flange Bolts Size Chart

M8 Hexagonal Flange Bolts can be customized, if you need to change head screw type or materials.

Size M5M6M8M10M12M14M16M18

Customized sizes or types are available

Other Hex Bolts

Need Custom Flange Bolts for Your Industry?

As a 20-year industry experience manufacturer with a factory equipped with precision machines, we can provide, from consultation to production, a one-stop solution for you.

About Us

Shenzhen Heat Hardware Co., Ltd is a leading custom screw manufacturer in China founded in 2000 years. We are specializing in custom screws, security screws, Sems screws, Chicago Screws, Weld Screws, Long screws, Micro Screws, Thumb Screws, Set Screws, Custom bolts, carriage bolts, nuts, and other custom Fasteners. With more than 20years of industry experience. We have serviced over 20000customers including the aerospace industry, automotive industry, electronics, mechanical and electrical products, robots, the Medical industry, communications industry, Outdoor sports products, smart appliances, etc. we can provide one-stop fastener customized service for you no matter what kind of custom fastener you need.

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