Self Drilling screws

Custom fasteners Manufacturer

Countersunk Stainless steel Self drilling Screws

Type: Self drilling screws,countersunk screws,stainless steel seld drilling screws, stainless steel Self drilling Screws

Material: Stainless steel

Finish: Passivated


Standard: Inches, Metric


Stainless steel Self drilling screws have a point that acts as a drill bit and sharp cutting threads that tap the hole during installation. While are capable of drilling a hole into anything from metal to wood. This key difference is that self-drilling screws have a tip like a drill bit, so they do not need a pilot hole.

Countersunk head bolts are also called countersunk head screws, also known as flat head screws, which are a kind of construction parts. The head is a 90-degree cone, similar to common wood screws. The head has tool-tightening grooves, such as a Torx, Philips, square, slotted, pentagon, etc.

Benefits of Countersunk screws: Screws are all connectors used to connect two objects. Generally, the head of the screw will protrude from the upper part of the surface of the object to be connected, so that the surface will lose its flatness. the benefits of Countersunk head screws can be sunk under the surface to make the surface smooth, and hard objects need to drill countersunk holes at the corresponding positions of the countersunk head. In short, the countersunk head is the head of the screw that can keep the surface flat after installation

Materials: Can be stainless steel A2, Stainless steel A4, or carbon steel. The finish can be zinc plated or passivated.Normally stainless steel will be more expensive than carbon steel but rust-proof probably will be better.

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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