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  • Large Flat Washers

    • China Large Flat Washers Manufacturer, Supplier, Factory

    The professional China Large Flat Washers manufacturer and supplier, we have own factory. Welcome to buy Large Flat Washers 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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    • Single Coil Spring Lock Washers Light Type

      Single Coil Spring Lock Washers Light Type

      DONGSHAO warmly welcome you to wholesale Single Coil Spring Lock Washers Light Type from our factory. Our products are CE certified and currently have a large amount of factory inventory. We will provide you with good service and factory discounted prices.
    • High Strength Large Hex Head Bolts for Steel Structure

      High Strength Large Hex Head Bolts for Steel Structure

      High quality High Strength Large Hex Head Bolts for Steel Structure is offered by China manufacturers DONGSHAO. Buy High Strength Large Hex Head Bolts for Steel Structure which is of high quality directly with low price.
    • High Strength Hexagon Bolts

      High Strength Hexagon Bolts

      As one of professional high quality High Strength Hexagon Bolts manufacturers, you can rest assured to buy High Strength Hexagon Bolts from DONGSHAO and we will offer you the best after-sale service and timely delivery.
    • Square Bolts

      Square Bolts

      DONGSHAO is one of Square Bolts manufacturers and suppliers in China who can wholesale Square Bolts. We can provide professional service and better price for you. If you interested in Square Bolts, please contact with us. We follow the quality of rest assured that the price of conscience, dedicated service.
    • Hexagon Bolts with Thread up to Head

      Hexagon Bolts with Thread up to Head

      High quality Hexagon Bolts with Thread up to Head is offered by China manufacturers DONGSHAO. Buy Hexagon Bolts with Thread up to Head which is of high quality directly with low price.
    • 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.
    • Related Blog
    • Reviews

    • 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.

    • 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 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 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.

    • 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...

    • 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...

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