Slotted screws

Custom fasteners Manufacturer

Camera Mount Screws|Captive Screws|Slotted Screws

Type: Slotted head screws,captive thumb screws,capitve screws, camera mount screws

Material: stainless steel

Finish: Passivated


Standard: Inches, Metric


Slotted screws, that is, the groove type is a slot. This type of groove type requires one less milling process than the commonly used Phillips screws, and the cost is slightly lower than that of the cross recessed groove. Slotted head screws include slotted machine screws, slotted self tapping screws,slotted wood screws.Screw heads can be the pan head, countersunk head,round head etc

The material requirements include iron and stainless steel, iron has low, medium, and high carbon steel, and the material of slotted screws includes stainless steel 201, stainless steel 304 and stainless steel 316, etc. The thread tolerance is 6G, and the mechanical performance grades of carbon steel slotted pan head screws are 4.8 and 8.8. The 4.8 combined screw is ordinary steel, and the allowable maximum hardness is 255HV. The 8.8 slotted pan head screw is generally used The wire rod 10B21 is punched out, and then hardened, and hydrogen is removed after hardening. Dehydrogenation is to prevent hydrogen embrittlement of spring washers in composite screws.

To prevent the spring washer from breaking, the tolerance grade of the combined screw is A. The cross recess is H-shaped. The surface treatment of slotted pan head screws includes blue zinc, colored zinc, black zinc, white nickel and so on. The technical requirement of the combination screw for the elastic flat washer is that the washer should be able to rotate automatically without falling off.

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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