Carriage bolts are a type of fastener commonly used in carpentry and construction. They feature a rounded head and a square or rectangular section below the head, which helps prevent the bolt from turning when tightened. Here are some of the main features and uses of carriage bolts:
### Features:
1. **Head design**: The round head has a smooth surface and is often used in situations where the bolt is exposed.
2. **Square Neck**: The square or rectangular portion under the head grabs the material and prevents the bolt from rotating when the nut is tightened.
3. **Threads**: Carriage bolts are usually fully threaded or partially threaded, depending on the application.
4. **Material**: They can be made from a variety of materials, including steel, stainless steel, and plastic, and can be coated with an anti-corrosion coating.
5. **Size**: Available in various diameters and lengths to suit different applications.
Galvanized carriage bolts are commonly used in various applications due to their corrosion resistance and strength. The galvanization process involves coating the steel with a layer of zinc, which protects it from rust and degradation, making it suitable for outdoor and high-moisture environments. Here are some common applications of galvanized carriage bolts:
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A: Generally, 30% T/T in advance ,balance before shippment or against B/L copy.