High Quality Hexagon Head Screw - Heavy Duty Self Drilling Metal Screws – Chuanyi

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High Quality Hexagon Head Screw - Heavy Duty Self Drilling Metal Screws – Chuanyi Detail:

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Self drilling screws made of hardened carbon steel or stainless steel are used for fastening . Classified by the pitch of thread, there are two common kinds of self drillingl screw threads: fine thread and coarse thread.

A self-drilling screw is a type of self-tapping screw that also features a drill point. The sharp drill point will both drill a hole and form the mating threads in a single operation, that can tap its own hole as it is driven into the material. More narrowly, self-tapping is used only to describe a specific type of thread-cutting screw intended to produce a thread in relatively soft material or sheet materials, excluding wood screws. Other specific types of self-tapping screw include self-drilling screws and thread rolling screw

Meanwhile, There are collated self drilling screws. They can be used on screw gun, which speeds up the installation.

Moreover, there are various coated self drilling screws which can protect against corrosion.

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High Quality Hexagon Head Screw - Heavy Duty Self Drilling Metal Screws – Chuanyi detail pictures

High Quality Hexagon Head Screw - Heavy Duty Self Drilling Metal Screws – Chuanyi detail pictures

High Quality Hexagon Head Screw - Heavy Duty Self Drilling Metal Screws – Chuanyi detail pictures

High Quality Hexagon Head Screw - Heavy Duty Self Drilling Metal Screws – Chuanyi detail pictures

High Quality Hexagon Head Screw - Heavy Duty Self Drilling Metal Screws – Chuanyi detail pictures


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With a complete scientific quality management system, good quality and good faith, we win good reputation and occupied this field for High Quality Hexagon Head Screw - Heavy Duty Self Drilling Metal Screws – Chuanyi , The product will supply to all over the world, such as: Macedonia, Japan, Wellington, Providing Quality Products, Excellent Service, Competitive Prices and Prompt Delivery. Our products are selling well both in domestic and foreign markets. Our company is trying to be one important suppliers in China.
  • The company's products very well, we have purchased and cooperated many times, fair price and assured quality, in short, this is a trustworthy company!
    5 Stars By Austin Helman from Barbados - 2018.06.30 17:29
    In China, we have purchased many times, this time is the most successful and most satisfactory, a sincere and realiable Chinese manufacturer!
    5 Stars By Delia Pesina from Mozambique - 2018.12.10 19:03
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