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China Factory SS304 SS316 Stainless Steel Square Groove Countersunk Head Cutting Self-tapping Screw

Material:SS304 SS316 4.8Grade 
Min Order: 50pcs   
Sample: Free sample
Delivery time:3-30 Days
Availability:
Quantity:
China Factory SS304 SS316 Stainless Steel Square Groove Countersunk Head Cutting Tail Self-tapping Screw
China Factory 410 304 316 Stainless Steel Head Self Tapping Bolt Screw
China Factory 410 304 316 Stainless Steel Head Self Tapping Bolt Screw
China Factory 410 304 316 Stainless Steel Head Self Tapping Bolt Screw
China Factory 410 304 316 Stainless Steel Head Self Tapping Bolt Screw
China Factory 410 304 316 Stainless Steel Head Self Tapping Bolt Screw
  • DIN

  • HINA

  • HINA2025010601


China Factory SS304 SS316 Stainless Steel Square Groove Countersunk Head Cutting Self-tapping Screw


Square Drive Countersunk Self-Tapping Screws are fasteners designed specifically for wood, plastic, or other soft materials. They feature a square drive head and a countersunk design. Below are their characteristics and advantages:

1. Square Drive

  • Features: The square-shaped drive provides a stable contact surface for tools, preventing slippage.

  • Advantages:

    • Strong Torque Transfer: Suitable for applications requiring higher tightening force.

    • Ease of Operation: Tools align easily and are less likely to slip during use.

2. Countersunk Design

  • Features: The screw head is conical and can be embedded into the material surface.

  • Advantages:

    • Flush and Aesthetic Finish: After installation, the screw head sits flush with the surface, making it ideal for projects requiring a smooth appearance.

    • Prevents Protrusion: Avoids exposed screw heads that could cause scratches or obstructions.

3. Self-Tapping Function

  • Features: The sharp-threaded tip can directly penetrate materials without pre-drilling.

  • Advantages:

    • Efficient Installation: Eliminates the need for pre-drilled holes, enabling faster work.

    • Material Protection: Reduces material damage and prevents cracking.

product process S

4. Applications

  • Woodworking: Commonly used in wooden furniture, flooring, and decorative installations.

  • Plastic and Composite Materials: Suitable for fastening softer materials.

  • General Use: Ideal for home improvement, repairs, and various assembly scenarios.

5. Common Materials

  • Carbon Steel: Cost-effective, suitable for indoor use.

  • Stainless Steel: Provides excellent corrosion resistance, ideal for humid or outdoor environments.

  • Surface Treatments: Often galvanized or nickel-plated for enhanced rust resistance.



Company Services


Our service

Professional Manufacturer : All of our Fastener are designed and manufactured according to buyers'specification and performance.

Quality is guaranteed : Durability testing and critical technical design to enhance fasteners lifetime.

Cost effective : Wide range of parts selection , Competitive prices with professional factory supply.

Customized ideal Fasteners : customized services according to the samples and drawing offered.


Certification

Through scientific management, Jiaxing Haina fastener Ltd company has been obtained ISO9000 certificate of Quality Managerment System, SGS and BV international certificate system of Make in China.

certification


FAQ

What’s the difference between self-tapping and self-drilling screws?

Self-tapping screws require a hole to be created (or may tap their threads into softer materials), while self-drilling screws have a drill-like tip that creates a hole as the screw is driven in.


What tools are needed to install self-tapping screws?

A standard screwdriver, electric drill, or wrench (for hex head screws) is typically used, depending on the screw's head type.


Are self-tapping screws suitable for outdoor use?

Yes, especially if they are made of stainless steel or have a corrosion-resistant coating like zinc or galvanized finishes. These materials can withstand outdoor conditions.




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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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