Cap Screws

Custom fasteners Manufacturer

Round, Pan, Button Socket Machine Screws

Type: Mushroom head screws, pan head machine screws, button head socket screws, machine screws

Material: Stainless steel

Finish: Passivated


Standard: Inches, Metric


Features of Round, Pan, Button Socket Machine Screws

  • Round, Pan, Button Socket Machine Screws, normally high-strength grade, known as pan socket head cap screws or 10.9 grade round socket head cap screws, are generally referred to as round head cup screws in the industry, 10.9 pan socket head cap screws and 10.9 countersunk socket cap screws, In the same way, it not only meets the technical requirements of standard pan head screws but also has the characteristics of high strength. It is generally used in machinery with high strength requirements, such as injection molding machinery, mold assembly, etc. Metric and Inch are both available.
  • Material: SCM435 alloy steel, stainless steel. Supply range: Metric diameter M3-M12 length 6mm-200mm Inches diameter 3/16-5/8 length 1/4-4 inches.
  • Advantage: The advantages are mainly relative to ordinary cylindrical head socket head cap screws. Pan socket head cap screws have a large pressing area, a large contact surface when connecting, and higher reliability. It can be operated with an Allen key, so it is easy to install.
  • Disadvantage:The tightening force of pan socket head cap screws is slightly lower than that of Hex bolts. At the same time, due to the special groove shape of the inner hexagon, if it is repeatedly disassembled and used, the edge of the inner hexagon will be ground flat, and it will not be able to be disassembled.
  • Usages: Hexagon socket head cap screws are rarely used mechanically, and are mainly used for the fastening and connection of aluminum profiles, such as electric vehicle motors using aluminum bases and end caps. Pan socket head cap screws have a larger pressing surface than other types of socket head cap screws and are mostly used for the fastening connection of aluminum profile frames.
  • Production Process: Round, Pan, and Button Socket Machine Screws it is mainly formed by cold heading.

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

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