Hex Washer Head Self Drilling Screw

 

 

 

Product Name	Hex Washer Head Self Drilling Screw
Also Named	Hex Washer Head Tek Screw
Material	Carbon Steel
Standard	DIN 7504 (K)
Property Class	4.8-12.9
Diameter	ST2.9,ST3.5,(ST3.9),ST4.2,ST4.8,(ST5.5),ST6.3
Finish	Plain, Black Oxide, Zinc Plated, Hot Dipped Galvanized, Oxidation, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated
Head Type	Hex Washer Head
Drive Type	External Hex
Thread Type	Self-Tapping Screw Thread
Point Type	Self Drilling Point
Alternative Standard	ISO 15480,DIN 7504 (K),JIS B 1124

 

Common Screws Styles

 

Custom Screws

 

Non-standard samples are developed and processed according to drawings. Learn more about the custom screw service of AYA.

 

Product Name	Custom Fasteners / Non Standard Fasteners
Raw Materials	Carbon Steel / Stainless Steel / Aluminum / Brass / Nickel Alloy / Titanium / etc.
Size	Customized by your drawing
Surface Treatment	Plating / Coating / Passivation / Anodizing / Galvanizing / Phosphating / Blackening / Chromating / Nitriding / Oxidation coating / Zinc-Nickel plated / Dacromet
Testing Equipment	Coordinate Measuring Machine(CMM) / Salt Spray Test Chambers / 3D Scanners / Ultrasonic Flaw Detector
Services	OEM / ODM / Customized Services / Free Sample
Certificate	IATF 16949 / ISO 9001 / ISO 14001 / ISO 45001
File Formats	STEP / CATPart / Prt / Solid Works / Pro/E / AutoCAD (DXF,DWG) / PDF / JPG / etc

 

 

 

 

 

• Fast & Hassle-Free Installation
  The self-drilling tip (similar to a twist drill) eliminates the need for pre-drilling, making installation faster and more efficient. For large-scale projects where every minute counts, this means shorter construction times and increased on-site productivity.

 

• Secure & Reliable Performance
  The hexagonal washer head provides excellent stability, prevents slippage during installation, and ensures a tight and lasting connection. This makes it ideal for high-impact or heavy-duty applications where failure is not an option.

 

• Built for Durability
  Made from high-quality metal with superior corrosion and oxidation resistance, these screws are designed to perform reliably even in harsh outdoor or industrial environments.

 

• Broad Material Compatibility
  Suitable for use with metal, wood, and composite materials, their exceptional versatility is an advantage for contractors and distributors catering to diverse construction needs.

 

• Lower Labor Costs & Greater Efficiency
  Combining drilling and fastening into one step saves both time and manpower, helping contractors complete projects faster while reducing overall costs.

 

• Trusted Supplier with Global Reach
  With 9 years of industry expertise, AYA Fasteners has developed a proven, efficient manufacturing and order fulfillment process. Our overseas warehouses enable fast and reliable delivery to partners around the world, supporting your business growth with dependable supply.

 

 

 

Hex washer head self-drilling screws are trusted across multiple industries for their efficiency, versatility, and reliable performance. Their ability to drill and fasten in a single step makes them an indispensable choice for large-scale projects and industrial applications where precision and speed matter most.

 

• Construction & Structural Framing
  Ideal for piercing materials such as steel and concrete, these screws play a critical role in structural framing, curtain wall systems, and general construction work. They ensure stable, long-lasting joints that support the integrity of entire structures.

 

• Metalworking & Industrial Fabrication
  Widely adopted in workshops and factories for fastening metal components without pre-drilling. Their ability to penetrate materials like fiberglass and plastic makes them suitable for assembling machinery, production lines, and equipment housings.

 

• Automotive Manufacturing & Assembly
  Essential for securing engine components, body panels, interior trims, and other automotive parts. They provide consistent, vibration-resistant fastening-crucial for performance and safety.

 

• Roofing & Cladding Systems
  Frequently used for installing roofing sheets, wall claddings, and insulation layers. Their strong, weather-resistant joints help extend the service life of buildings and reduce maintenance costs.

 

• Woodworking & Interior Applications
  A reliable solution for carpenters and interior contractors working with wood and composite materials. Their ease of use speeds up furniture making, interior installations, and DIY projects.

 

 

Across these diverse sectors, these screws offer one consistent advantage: they simplify installation, reduce labor time, and ensure dependable, long-term fastening, making them a smart, cost-effective choice for distributors, contractors, and OEMs alike.

 

See below for typical usage scenarios.

 

 

 

As a trusted global supplier of customized fastening solutions, AYA Fasteners has earned the confidence of distributors, contractors, and OEM partners across multiple industries. We provide not only products but also reliable solutions, stable supply, and long-term value.

 

• 9+ Years of Industry Expertise
  AYA Fasteners (Hebei) Co., Ltd. is one of the most experienced manufacturers and suppliers of hex washer head self-drilling screws in China. With a deep understanding of both production and global trade, we provide a stable, high-quality supply for projects of all scales. Learn more about our Company Profile.

 

• Global Supply & On-Time Delivery
  With overseas warehouses and efficient logistics networks, AYA ensures shorter lead times and flexible delivery options, helping partners maintain supply chain agility and cost-efficiency.

 

• Customized Fastening Solutions
  AYA Fasteners has provided exclusive fastening solutions to over 1,000 customers worldwide. From understanding your project requirements to after-sales support, our dedicated team works closely with you to solve fastening challenges quickly and effectively.

 

• Stable Quality, Trusted by Professionals
  Our screws are made from premium materials with strict quality control at every stage. We are committed to delivering products that meet international standards and perform reliably in demanding applications.

 

• Sustainability & Long-Term Commitment
  AYA is actively promoting eco-friendly practices in manufacturing and logistics, aiming to reduce environmental impact while improving production efficiency.

 

 

 

 

AYA holds multiple international certifications, ensuring full compliance with global standards in product quality, environmental responsibility, and occupational health & safety.

 

 

 

 

 

 

 

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RECOMMENDED READING:

⊙AYA FASTENERS Guide | What Are CSK Head Self-Drilling Screws And Where Are They Used?

⊙Tolerancing Of Screw Threads

 

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