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Hex Washer Head Self Drilling Screw

Short Description:

  • Standard:
  • Name:
    hex washer head self drilling screw
  • Material:
    carbon steel
  • Grade:
    Grade 4.8, 450-800HV
  • Alias:
    hexagonal flange face self-drilling and tapping screws, hexagonal Dawasti drilling screws
  • Nominal diameter:
  • Length:
  • Surface treatment:
    color zinc, galvanized
  • Acceptance: OEM/ODM, Trade, Wholesale, Regional Agency

    Payment: T/T, L/C, PayPal

    We are based in China, we have our own factory. We are your best choice and most dependable business partner among many trading companies.

    We are happy to respond to any inquiries; please send your questions and orders.

    Stock Sample is Free & Available

    Product Detail

    Product Tags

    Description of Hex Washer Head Self Drilling Screw

    Hexagonal Head Self-Drilling Screws, also known as hexagonal flange face self-drilling and tapping screws, hexagonal dawasti drilling screws, are the most commonly used of drilling screws with high torque conveying power. Its head is hexagonal in shape, and the end of the screw has a drilled tip. Hexagon head drill tail screw can drill the center hole by itself when assembling, and then self-tapping and squeezing the thread with it in the hole on the carrier with the help of the adjacent threaded part, no auxiliary processing is needed, drilling, tapping and locking are completed in one time, which greatly saves the assembly time.

    Purchasing hexagonal head self-drilling screws, choose Aozhan hardware products, a large number of inventory, short delivery cycle. If you are interested, please contact us and we will send you a complete bolt drawing book and a free discounted quotation.

    Advantages of Hex Washer Head Self Drilling Screw

    1. Clear thread: even pitch, even force and good tightening strength

    2. Surface treatment: color zinc plating treatment, increase corrosion resistance

    3. Carbon steel material: not easy to rust, strong oxidation resistance, strong and durable

    Quality Inspection


    Why choose us?


    A variety of materials to choose from

    2.Various specifications

    Complete specifications to meet your more needs

    3.Fine grinding

    Professional drill tail nail factory to ensure quality

    4. Quality selection

    Anti-corrosion and wear-resistant, high-quality factory

    5. Good faith business

    Win-win cooperation, seek a common future

    Production Process

    Production- process

    Application of Hex Washer Head Self Drilling Screw

    Hexagonal head self-drilling screws are mainly used for the connection and fixing of some thinner plates, such as the connection of color steel plate with color steel plate, the connection of color steel plate with purlin, wall beam, etc. Its penetration capacity is generally not more than 6mm, and the maximum is not more than 12mm. hexagonal head self-drilling screws are widely used for stainless steel plate, metal steel plate, galvanized steel plate, or other engineering installation, metal curtain wall, metal light compartment, plastic steel doors and windows, etc. Indoor and outdoor installation, steel structure installation such as channel steel, iron plate and other metal materials combined installation. Common assembly projects such as automobile carriages, container boxes, shipbuilding industry, refrigeration equipment, environmental engineering, etc. are inseparable from the drilling screws.

    Application Diagram

    Application Diagram

    Our Certification

    Our Certification


    1. Your bolt products are more expensive, do you have any discount?

    Usually, all bolt manufacturers adopt two different sales models, one is to win by price and the other is to win by quality.

    Our company's aim is to do our best to reduce the customer's input while ensuring the quality of the bolts.

    We can guarantee that our prices are reasonable among all manufacturers who can provide bolts of the same quality.

    According to the feedback from our customers, our bolt prices are value for money and we look forward to cooperating with you.

    2. What is the quality of your bolt products? How to ensure the high quality of your bolt products?

    Nanning Aozhan Hardware has been engaged in bolt manufacturing and processing for more than 10 years, and the process and technology are constantly improving.

    Our bolts have been sold to many countries in the world and have been recognized and praised by customers for their stable quality.

    Choose Aozhan hardware bolts, choose professional, choose good service.

    3. What are your main products?

    Our bolt factory mainly deals with the following products: bolts, self-tapping nails, drill-tail nails, nuts, washers, studs, etc.

    If you are interested, please contact us and we will send you a complete bolt catalogue and a free discount quotation.

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