M4 x 16mm Flat Head Socket Cap Screw
Precision steel socket cap screw, 4mm diameter x 16mm length with flat head for flush mounting, under 7318.15.60.80 for shanks/threads <6mm. Ideal for machinery and equipment assembly where low-profile is needed.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If having shank/thread diameter 6-12.7mm
Larger diameter versions classify in adjacent size-based subheading.
If self-tapping thread design
Self-tapping screws for metal/plastic have dedicated provisions regardless of size.
If Articles of iron/steel imported as integral machine parts may classify by end-use function.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Provide engineering drawings showing head type and dimensions to confirm 'other' classification
• Bundle with nuts/washers? Declare as set if sold together to potentially qualify for different rates
• Check for zinc plating documentation; coated screws may require additional chemical analysis
Related Products under HTS 7318.15.60.80
M3 x 10mm Phillips Pan Head Machine Screw
A small steel machine screw with a 3mm diameter shank and thread, 10mm length, and Phillips pan head, certified under 7318.15.60.80 due to its diameter under 6mm and non-specialized design. Commonly used in electronics assembly and small machinery. Does not qualify as wood screw or self-tapping.
2.5mm x 8mm Slotted Cheese Head Screw
Miniature slotted cheese head screw of steel, 2.5mm diameter x 8mm, fits 7318.15.60.80 as other small-diameter threaded article. Used in precision instruments, watches, and small appliances.
M2.5 x 12mm Thumb Screw
Knurled thumb screw M2.5 diameter x 12mm length, steel construction, under 7318.15.60.80 for small threaded articles. Allows hand-tightening in equipment panels and adjustable mechanisms.
1.6mm x 6mm Micro Set Screw
Ultra-small cup point set screw, 1.6mm diameter x 6mm, steel, classified 7318.15.60.80 as other small screws. Locks collars, pulleys in miniature mechanisms and robotics.
M3.5 x 20mm Truss Head Screw
Low-profile truss head machine screw M3.5 x 20mm, steel, <6mm diameter qualifies for 7318.15.60.80. Provides large bearing surface for sheet metal and plastic fastening.
No. 4 x 1/4-inch Oval Head Screw
Imperial No. 4 (≈2.8mm) x 1/4-inch steel screw with oval countersunk head, under 7318.15.60.80. Used in cabinetry, electronics chassis, and light-duty applications.