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SS316 SS304 China Factory Supply Square Groove Hardend Countersunk Head Self Drilling Screws

Material:SS304 SS316 4.8Grade
Standard:ASME/ANSI B18.6.3
Size:M5-M24
Min Order: 50pcs   
Sample: Free sample
Delivery time:3-30 Days
Availability:
Quantity:
SS316 SS304 China Factory Supply Square Groove Hardend Countersunk Head Self Drilling Screws
SS316 SS304 China Factory Supply Hardend Countersunk Head Self Drilling Screws
SS316 SS304 China Factory Supply Hardend Countersunk Head Self Drilling Screws
SS316 SS304 China Factory Supply Hardend Countersunk Head Self Drilling Screws
SS316 SS304 China Factory Supply Hardend Countersunk Head Self Drilling Screws
SS316 SS304 China Factory Supply Hardend Countersunk Head Self Drilling Screws
  • ASME/ANSI B18.6.3

  • HINA

  • HINA2025011001

SS316 SS304 China Factory Supply Square Groove Hardend Countersunk Head Self Drilling Screws

Definition

A stainless steel countersunk internal square drive self-drilling screw is a type of fastener that combines multiple features: it is made of stainless steel for corrosion resistance, has a countersunk head to sit flush with the surface, an internal square drive (also known as a Robertson drive) for better torque transfer, and a self-drilling tip that allows it to drill into material without the need for a pilot hole.


Characteristics:

  1. Stainless Steel Material: Offers high resistance to corrosion, making it suitable for harsh environments or applications exposed to moisture, chemicals, or high temperatures.

  2. Countersunk Head: The screw's head is designed to sit flush with the surface, providing a clean and smooth finish. This feature is ideal for applications where aesthetics or a low-profile finish is important.

  3. Internal Square Drive: The square drive system allows for better grip and torque transmission, reducing the chances of stripping or slipping compared to traditional flat or Phillips heads.

  4. Self-Drilling Tip: The drill-like point eliminates the need for pre-drilling, allowing the screw to penetrate through materials like metal, wood, or plastic easily and efficiently.

  5. High Load-Bearing Capacity: Stainless steel screws tend to have a high tensile strength, which makes them suitable for heavy-duty applications.

product process S

Applications:

  1. Construction & Building: Used for fixing materials like sheet metal, roofing, and cladding, especially in outdoor environments where moisture resistance is needed.

  2. Automotive & Transportation: Ideal for securing components in vehicles, boats, and trailers, where corrosion resistance is essential.

  3. Electronics & Appliances: Common in applications where parts need to be securely fastened in an aesthetically clean manner, such as mounting electronics or appliances.

  4. Industrial Equipment: Used in machinery and equipment that require robust fastening solutions, especially when exposed to harsh conditions.

  5. Marine Industry: Since the screws are made of stainless steel, they are frequently used in marine applications to withstand the salty environment.

These screws are particularly valued for their strength, durability, and ease of installation, making them an excellent choice for a wide range of industrial, commercial, and residential applications.

Company Services

Haina is committed to providing customers with high-quality stainless steel standard fasteners and professional services to meet various engineering needs. We have a large amount of spot inventory to ensure fast delivery and save you waiting time. In addition, we provide the following value-added services to help your purchasing experience:

1. Free samples: provide samples for customer testing.

2. 3.1 Test report: quality test report that meets international standards.

3. Video factory inspection: support video factory inspection to demonstrate production process and quality management.


Advantages

- Sufficient inventory: quick response to order requirements.

- Quality assurance: strict quality control to ensure product reliability.

Haina is committed to providing efficient and high-quality fastener services.

certification


FAQ

1. What are stainless steel self-drilling screws?

Stainless steel self-drilling screws are screws made from stainless steel that have a built-in drill point, allowing them to drill their own hole as they are driven into materials like metal, wood, or plastic.


2. What are the advantages of using stainless steel self-drilling screws?

The main advantages include high corrosion resistance, durability, and the ability to drill without the need for pre-drilled holes, saving time and effort.


3. What materials can stainless steel self-drilling screws be used on?

These screws can be used on a variety of materials, including sheet metal, thin steel, wood, and some plastics.


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Manager: Tonyfang
Phone: +86-186 6836 8299
Email: tony@hainafastener.com
Tel: +86-0573-82272371
Fax: +86-0573-82210271
Add: 1-405 No.1888 Canaan Plaza Zuili Road, Nanhu District Jiaxing City Zhejiang Province 314050
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