1. Main features
Drill tail design: The tail is in the shape of a drill bit (usually a double-slot or three-slot structure), which can automatically drill holes and form threads.
Self-tapping ability: The screw thread part can directly cut matching threads in the material, eliminating the pre-tapping step.
High-hardness material: Usually carbon steel (surface galvanized, Dacromet and other anti-rust treatments) or stainless steel (such as 304, 316) is used, which is suitable for high-intensity operations.
High efficiency: saves two processes of drilling and tapping, and improves installation efficiency.
2. Application scenarios
Metal plates: color steel plates, aluminum alloys, and steel structure installation.
Construction industry: roof, wall, and light steel keel fixing.
Carpentry: Quickly fix wood (pay attention to the hardness of the wood, too hard may cause wear of the drill tail).
Mechanical and electrical equipment: distribution box, ventilation duct assembly.
3. Product classification
304 stainless steel, 410 stainless steel
Self-Drilling Screw
Self-drilling screws, also known as self-drilling screws or self-drilling screws, are special screws with a drill tail that have both drilling and tapping functions. They can be screwed directly into materials such as metal, wood or plastic without pre-drilling.
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