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China Heavy-duty Bolts Manufacturer, Supplier, Factory

The professional China Heavy-duty Bolts manufacturer and supplier, we have own factory. Welcome to buy Heavy-duty Bolts from us. We will give you the satisfactory quotation. Let us cooperate with each other to create a better future and mutual benefit.

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  • Hexagon Head Bolts with Hole

    Hexagon Head Bolts with Hole

    Being a proficient manufacturer, DONGSHAO aims to offer you top-notch Hexagon Head Bolts with Hole. We promise to provide you with the best after-sale support and prompt delivery.
  • Square Taper Washer for Slot Section

    Square Taper Washer for Slot Section

    Being a proficient manufacturer, DONGSHAO aims to offer you top-notch Square Taper Washer for Slot Section. We promise to provide you with the best after-sale support and prompt delivery.
  • Wind Power Bolt Combination

    Wind Power Bolt Combination

    DONGSHAO invites you to visit our factory to purchase the newest, best-selling, affordable, and high-quality Wind Power Bolt Combination. We are looking forward to working with you.
  • Studs with Full Thread for Pipe Flange

    Studs with Full Thread for Pipe Flange

    Welcome to wholesale or customized Studs with Full Thread for Pipe Flange from our factory at any time. We will provide you with factory discount prices for our products. DONGSHAO is Studs with Full Thread for Pipe Flange manufacturer and supplier in China.
  • Cross Recessed Raised Cheese Head Screws

    Cross Recessed Raised Cheese Head Screws

    DONGSHAO Cross Recessed Raised Cheese Head Screws have characteristic design & practical performance & competitive price, for more information on the Cross Recessed Raised Cheese Head Screws, please feel free to contact us.
  • Slotted Flat Countersunk Head Machine Screws

    Slotted Flat Countersunk Head Machine Screws

    DONGSHAO is one of professional leader China Slotted Flat Countersunk Head Machine Screws manufacturers with high quality and reasonable price. Welcome to contact us.
  • Related Blog
  • Reviews

  • Structural parameters and functional uses of bolts.

    According to the force mode of the connection, it is divided into ordinary and hinged holes. According to the shape of the head: hexagonal head, round head, square head, countersunk head and so on.

  • What are the characteristics of Countersunk Bolt?

    First and foremost, countersunk bolts are designed to fit into countersunk holes. These holes are conical in shape, which means they taper downwards towards the bottom.

  • How can a Hex Head Bolt be used?

    ​Hex head bolts may seem like small components in machinery, but they are the backbone of mechanical engineering. Without the hex head bolt, all machines, automobiles and even buildings would fall apart.

  • What are the characteristics and functions of a Hex Head Flange Bolt?

    ​The Hex Head Flange Bolt is a type of bolt that comes with a hexagonal head and a flange, which is a wide, flat disc on the bottom of the bolt head.

  • What kinds of screws are there?

    It is mostly used for connecting smaller parts. It has pan head screws, cylindrical head screws, semi-countersunk head screws and countersunk head screws. The screw head strength of pan head screws...

  • Introduction to the use of studs.

    bm=1d double stud is generally used for the connection between two steel connected parts; bm=1.25d and bm=1.5d double stud is generally used for the connection between the cast iron connector...

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