M1.6 x 4mm Metric Micro Screw
Metric M1.6 x 4mm pan head micro screw of steel for precision instruments, under 7318.15.60.80. Essential for cameras, optics, and small mechanism assembly.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If not meeting screw definition
Threaded articles not specifically enumerated as screws.
If lens mount component
Optical element fasteners classify with lenses.
If watch/clock part
Timepiece micro-fasteners take horological classification.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Micro-thread pitch verification with thread gauge
• Anti-corrosion treatment specs for optical use
• Clean room packaging certification for contamination control
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.
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.
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.