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Pigtail wood screws
Product description: Pigtail wood screws are fasteners specifically designed for joining wood materials. They get their name from the spiral-shaped or curved tail, reminiscent of a pig’s tail. Below is a detailed description: Design features: Head Shape: Screws are commonly fou...
Description
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Product description:
Pigtail wood screws are fasteners specifically designed for joining wood materials. They get their name from the spiral-shaped or curved tail, reminiscent of a pig's tail. Below is a detailed description:
Design features:
Head Shape: Screws are commonly found with round, flat, and oval heads. Different head shapes suit different installation scenarios and aesthetic requirements. For example, round-head screws provide a more aesthetically pleasing appearance when screwing into wood, while flat-head screws are better suited for applications requiring a smooth surface.
Thread Design: Threads are specifically designed for use in wood, typically featuring a fine thread with a small pitch. This design minimizes splitting of the wood during screwing and improves the strength of the connection between the bolt and the wood.
Tang Shape: The tang has a helical or curved profile. This distinctive design allows the bolt to more effectively engage the wood during screwing, increasing the fastening force and preventing loosening or pulling out.
Material and surface treatment:
Material: Commonly used materials include Q235, 45# steel, alloy steel, and 304/316 stainless steel. Q235 and 45# steel offer lower cost and adequate strength, making them suitable for general wood structural connections. Alloy steel and stainless steel offer higher strength and corrosion resistance, making them ideal for demanding environments such as exterior wood structures or wet environments.
Surface Treatment: To enhance corrosion resistance and aesthetic appeal, bolts are typically surface treated, including hot-dip galvanizing, electro-galvanizing, and polishing. Hot-dip galvanizing forms a thick zinc layer on the bolt's surface, effectively preventing rust and making them suitable for outdoor use or harsh conditions.
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