M6 Stainless Steel Coupling Nut
Extended length coupling nut in 316 stainless steel with internal M6 threading on both ends for rod-to-rod connections. Classified as other stainless steel nuts under HTS 7318.16.00.60.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for pipe fittings
Pipe-size couplings classify under tube/pipe fittings heading.
If iron or non-alloy steel
Base material dictates stainless vs other steel tariff lines.
If sold in structural assemblies
Integral components of larger structures classify with the assembly.
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
• Measure effective thread length to distinguish from standard hex nuts
• Include torque specs in technical data for structural applications
• Prevent bulk packaging confusion with pipe couplings under plumbing codes
Related Products under HTS 7318.16.00.60
M8 Stainless Steel Hex Nut
A hexagonal nut made from AISI 304 stainless steel, threaded for M8 bolts, used in marine and outdoor applications for corrosion resistance. It falls under HTS 7318.16.00.60 as a threaded nut of stainless steel, distinct from iron or alloy steel nuts.
1/4-20 UNC Stainless Steel Flange Nut
A wide-base flange nut in 316 stainless steel with 1/4-20 UNC threading, ideal for automotive and plumbing fixtures requiring extra bearing surface. Classified under HTS 7318.16.00.60 for stainless steel threaded nuts.
M10 Stainless Steel Nylon Insert Lock Nut
Metric M10 lock nut featuring a nylon ring insert in A4-70 (316) stainless steel for vibration resistance in industrial equipment. HTS 7318.16.00.60 covers other stainless steel threaded nuts including prevailing torque types.
5/16-18 Stainless Steel Acorn Nut
Decorative dome-shaped acorn nut in 304 stainless steel, 5/16-18 threading for exposed architectural fasteners. Falls under HTS 7318.16.00.60 as other stainless threaded nuts.
3/8-16 Stainless Steel Wing Nut
Thumb-turn wing nut in AISI 304 stainless with 3/8-16 threading for tool-free adjustment in lab equipment. HTS 7318.16.00.60 includes ergonomic stainless threaded nuts.
M12 Stainless Steel T-Nut
T-slotted nut for aluminum extrusion systems, 316 stainless steel M12 threading for industrial framing. Other stainless nuts under HTS 7318.16.00.60.