Products Description

Carriage bolts aslo called coach bolts, carriage screws, round head square neck bolts, mushroom head square neck bolts, dome head bolts, cup head bolts.

Carriage bolts are versatile fasteners, most often used to fasten metal to metal or wood to metal. The bolt features a rounded head that provides a smooth surface and can distribute load over a larger area, reducing the risk of damage to the material being fastened. Carriage bolts have a unique shape, with a square-shaped neck beneath the flat head. Once this square neck is securely seated within a socket of the same size and shape, the bolt is immovable. Not only does this make fastening easier, but it adds to the security of the carriage bolt and nut.

Carriage bolts, or coach bolts, are heavy-duty bolts designed to work well continuously. They generally have thick shafts and are made from durable materials like galvanized or stainless steel, making them nearly impervious to rust. In fact, carriage bolts are so strong that they were originally used to build carriages and carriage wheels, which is where they get their name.

High Holding Power

The square neck prevents the bolt from rotating, allowing for effective tightening and holding power, especially in soft materials where standard bolts may strip the thread.

Ease of Installation

These bolts are relatively easy to install and remove, making them suitable for applications requiring frequent adjustments or disassembly.

Load Distribution

The round head design helps distribute the load, making these bolts suitable for applications where stress concentration can be a concern.

Finish

Bolts may have different finishes such as zinc plating, black oxide, or plain metal. These finishes can enhance corrosion resistance and improve aesthetic appearance.

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Q: What s your main products?
A: Standard and custom hardware, like screws, bolts, nuts and other spare parts.

Q: Could we custom size, packing or others? How about MOQ?
A: Sure, customized service is workable. MOQ depends on the size and goods.

Q: Could you provide samples? How long is the delivery time for samples?
A: Sure, if in stock, we will arrange to deliver it about 3-5 days, if it is non standard, it takes around15 -20days.

Q: Where is your company located? Could we visit it?
A: Sure, welcome to visit our factory, it is located in Wenzhou, Zhejiang. Please contact us inadvance.

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Round Head Square Neck Bolts

Products Description

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