Flange Bolts

Custom fasteners Manufacturer

Custom Metric Hex Flange Bolts

Type: Hex flange bolts, Metric flange bolts, custom flange bolts, flange bolts

Material: High tensile carbon steel

Finish: Black oxide


Standard: Inches, Metric


Bolts, machine parts, fasteners with cylindrical heads, and threaded fix with nuts. Bolt: A type of fastener consisting of a head and a shaft (a cylinder with external threads), which needs to be matched with a nut to fasten two parts through holes. This connection form is called a bolt connection. If the nut is unscrewed from the bolt, the two parts can be separated, so the bolt connection is a detachable connection.

Hex Flange Bolts are integral bolts consisting of hexagonal head and flange (the gasket under the hexagon and the hexagon are fixed together) and screw (cylindrical body with external thread), which need to be matched with nuts for fastening a part that connects two through holes.

  1. Hexagon head type: One is flat and the other is concave.
  2. Finish: According to different needs, the surface has white plating, green, colorful yellow, and corrosion-resistant Dacromet.Black oxide.etc
  3. Flange type: According to the different use positions of the flange bolts, the size requirements of the discs are different. There are also flat bottom and serrated, and the serrated ones play an anti-skid role.
  4. According to the force bearing mode of the connection:

There are ordinary and reamer bolts, flange reamer bolts should match the size of the hole and be used when the lateral force is applied.

In addition, in order to meet the needs of locking after installation, there are holes in the rods. These holes can prevent the bolts from loosening when they are vibrated. Some flange bolts without threads should be thinner, called thin rod flange bolts. This flange bolt is conducive to the connection of variable force. There are applicable high-strength bolts on the steel structure, and the head will be larger and the size will also change.

Industry use:High-strength Custom Metric Hex Flange Bolts are widely used in automobiles, connectors, electronics, mobile phones, watches and other industries.

Features of Fine thread flange bolts

  • Fine-thread flange bolts are divided into full-thread, half-thread, fine-thread and very fine-thread. The head shape is an outer hexagon, and the thread is fine-thread. The distance between adjacent outer diameters is generally closer than that of coarse threads.
  • The helix angle of the flange with fine teeth is smaller, which is more conducive to the self-locking of the thread, so the fine teeth are generally used where anti-loosening is required.
  • The thread pitch of the fine tooth flange is small. On the same thread length, more threads are screwed in, which can reduce fluid leakage, so it is used in occasions that require sealing.
  • The fine-tooth flange thread should also have the advantage of small pitch, which can play a role in fine-tuning.

Heatfastener is a profssional hex flange bolts manufacturer and supplier,wholesale in China,both metric hex flange bolts,or inches.we can make as per your drawing and applications.

Are You Looking For Custom Screw Manufacturer?

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. For an accurate quotation, you need to tell us the following information:


Please tell us the specific details, like what is material and finish do you, and the fastener size, if you have drawings or pictures, please send them to us


Normally small order quantities are acceptable, while large quantities can help us to lower the cost and get you a more competitive price.


Tell us your application or detailed information for your projects. We can offer you the best choice, meanwhile, our engineers can give you more suggestions under your budget.

What We Can Offer You..

Best Quality

We have rich experience in the manufacture, design, and application of custom fasteners, and served more than 10000 customers worldwide

Competitive Price
we have an absolute advantage in the cost of raw materials. Under the same quality, our price is generally 10%-30% lower than the market.

With more than 22 years, we already have completed the control system and test equipment, we can provide all tests you need


Any feedback will be replied to within 24hours, We provide a 3-5 years guarantees policy. And all costs by us will be on our account.

Fast delivery

If you need urgently, we can deliver samples within 8hours. Bulk order can be within one week

Why Choice us

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.

Production Process

We have a variety of production requirements of equipment, can meet any customized demands. can provide comprehensive fastener solutions. Anything you need can make by Heatscrew.

Material Preparation

Threading Rolling

Automatic Lathe

CNC Process

Final Test

Contact Us

Are you looking for screw manufacturers?

24hours online Service