Flat Head Machine Screw

Custom fasteners Manufacturer

Countersunk Flat Head Machine Screw

Type: Socket cap screws, countersunk head screws, hex socket cap screws, flat head machine screw

Material: Carbon steel,Titanium,stainless steel

Finish: Black Oxide


Standard: Inches, Metric


Flat head screws are also called countersunk screws. they are as known countersunk screws because they sink into a surface and rest flush in materials when screwed in. Countersunk screws feature a flat head instead of a rounded or semi-rounded one. that tapers along the shaft. The advantage is that Use a countersunk screw when you want to hide fixtures and maintain the integrity of the material.

The head of the countersunk screw has a larger diameter and the drive can be Phillips or hex socket cap, the thread can be a machine(flat head machine screws) or self tapping(flat head self tapping screws)allowing tools such as screwdriver or wrench to turn the screw. The more prominent top also prevents the screw from drilling too deep and passing through the material, the countersunk head screw can usually be removed or re-inserted at will without damaging the material. The upper head can sink completely, and the screw head will not act as a hindrance. Flat head screws have many types like flat head machine screws, flat head cap screws, and Phillips flat head screws. they are available in Black Oxide Stainless Steel, 18-8 Stainless Steel, 316 Stainless Steel, and Zinc finishes. carbon steel, aluminum, titanium, etc

Cross countersunk head screws are generally used in electrical equipment, electronic machinery, mechanical equipment, household appliances, digital products, water conservancy projects, decoration design, etc. The general process is cold heading, and then rubbing. Stainless steel countersunk head screws are uniform in color, The head surface is smooth, with a cross groove inside, which is clearly visible and evenly stressed. It is not easy to slip during rotation, which greatly improves working efficiency. The rotating thread has a strong effect, no residual burrs, and the thread is neat and clear without missing teeth.

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

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

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