自攻螺钉指南:金属与木材紧固的类型、应用与选型
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自攻螺钉指南:金属与木材紧固的类型、应用与选型

2026-06-02· ~7 min read

自攻螺钉完整指南,包括钻尾螺钉、金属螺钉和木螺钉。了解建筑项目中如何为钢材、铝材和木材应用选择正确的自攻螺钉。

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What Are Self-Tapping Screws?

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Types of Self-Tapping Screws

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TypePoint StyleMaterial ThicknessApplications
Type ABSharp point, fine threadUp to 0.9mmThin sheet metal, HVAC, signage
Type B45-degree blunt pointUp to 2.3mmThicker metal, brackets, frames
Type III (Drill)Drill point with flutesUp to 5mmSteel framing, roofing, structural

Common Applications in African Construction

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Coatings for Corrosion Resistance

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How to Select the Right Self-Tapping Screw

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常见问题

See frequently asked questions below.

What are Technical Guide and how are they used?

Technical Guide are essential components in construction and manufacturing. Proper selection depends on load requirements, environmental conditions, and material compatibility.

How do I choose the right fastener for my project?

Consider the material being fastened, load requirements, environmental exposure, and applicable standards. Consult with a professional if unsure about specifications.

What materials are available for these fasteners?

Common materials include carbon steel, stainless steel, alloy steel, and specialty alloys. Each offers different strength, corrosion resistance, and cost characteristics.

Do you offer custom manufacturing?

Yes, we offer custom fastener manufacturing to spec. Contact our sales team with your requirements for pricing and lead times.

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