Phillips #4 Self-Tapping Machine Screw
Self-tapping machine screw with #4 diameter (approx 2.8 mm shank) and Phillips drive, used for securing plastic housings and thin metal panels in appliances. Its helical flute design displaces material during insertion. Fits HTS 7318.14.10.60 for other self-tapping screws under 6 mm diameter.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If not self-tapping (requires pre-drilled hole)
Standard machine screws without self-tapping feature classify under 7318.21 as they need tapped holes.
If shank or thread 6 mm or larger
Larger diameter self-tappers shift to 7318.14.20 statistical suffix for bigger construction sizes.
If imported as integral machinery part
If permanently attached to machinery, may classify as part of machine rather than standalone fastener.
Not sure which classification is right?
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Import Tips & Compliance
• Include detailed engineering drawings showing thread pitch and shank diameter for Customs review
• Label packaging clearly with 'self-tapping' to distinguish from machine screws in 7318.21
Related Products under HTS 7318.14.10.60
M3 Self-Tapping Sheet Metal Screw
A small self-tapping screw with an M3 thread diameter (under 6 mm) designed for fastening into sheet metal without pre-drilling. It features a sharp thread to cut its own path, commonly used in electronics enclosures and light-duty metal assemblies. Classified under HTS 7318.14.10.60 as a self-tapping screw of iron or steel with shank/thread diameter less than 6 mm, other than wood screws.
Type AB #6 Sheet Metal Screw
Type AB self-tapping screw with #6 diameter (3.5 mm), featuring sharp threads for sheet metal and a gimlet point. Ideal for HVAC ductwork and metal framing in construction. Under HTS 7318.14.10.60 as other self-tapping screws less than 6 mm diameter.
Slotted #8 Self-Tapping Pan Head Screw
Pan head self-tapping screw #8 diameter (4 mm), slotted drive, for electrical boxes and metal cabinets. The wide head provides flush seating. HTS 7318.14.10.60 applies to these smaller 'other' self-tappers.
Torx T10 Self-Tapping Chipboard Screw
T10 Torx drive self-tapping screw for particle board and MDF, diameter under 6 mm with aggressive thread for wood composites. Used in cabinetry and furniture assembly. Borderline classification in 7318.14.10.60 as 'other' vs wood screws.
M2.5 Zinc-Plated Self-Tapping Screw
Metric M2.5 (2.5 mm) zinc-plated self-tapping screw for circuit boards and small electronics chassis. Provides corrosion resistance in humid environments. HTS 7318.14.10.60 for these miniature iron/steel self-tappers.
Security Star Drive Self-Tapping Screw
Tamper-resistant star (Torx) drive self-tapping screw under 6 mm for public fixtures and vending machines. Prevents unauthorized removal. Classified HTS 7318.14.10.60 for specialized small self-tappers.