Duty Rate (from China)
Subheadings
Products classified under Tariff item 7318.2
1/4 Inch Zinc Plated Spring Lock Washer
A carbon steel split ring washer with zinc plating, designed to provide axial flex and prevent fastener loosening under vibration. Its non-threaded helical split design classifies it as a spring lock washer of iron or steel.
7318.21.00Anti-Vibration Curved Spring Washer
A multi-curved steel washer that absorbs vibration through controlled deflection, providing locking action in automotive and engine applications. Its non-threaded spring design places it under this tariff item as a spring lock washer.
7318.21.00Belleville Disc Spring Washer 20mm OD
A conical steel disc washer that flattens under load to maintain tension and absorb shock, used in high-pressure flange applications. Its elastic deformation qualifies it as a spring lock washer under this tariff item.
7318.21.00Cryogenic Stainless Lock Washer
An AISI 316 stainless steel spring washer tested for cryogenic service in LNG applications, providing locking in extreme low-temperature environments. Its non-threaded spring design classifies it under this tariff item.
7318.21.00DIN 127 Spring Lock Washer Type B
A heavy-duty rectangular steel washer per DIN 127 Type B standard, designed for high preload applications in European machinery. Its non-threaded spring lock design places it under this tariff item.
7318.21.00Finger Spring Washer Assortment Pack
A set of steel washers with radial fingers that deflect to lock fasteners, assorted sizes for maintenance and MRO applications. Packaged for retail but classified as non-threaded spring lock washers under this tariff item.
7318.21.00High-Carbon Music Wire Lock Washer
A precision-formed washer from high-carbon music wire for maximum spring properties in small fasteners, used in instruments and precision equipment. Its non-threaded spring design qualifies it under this tariff item.
7318.21.00Internal Star Lock Washer #10
A stainless steel washer with inward-facing teeth that bite into softer materials for secure locking against rotation, common in electronics and aerospace. Its non-threaded design places it under this tariff item as a spring lock washer.
7318.21.00M10 External Tooth Lock Washer
A steel washer with radially stamped teeth that bite into mating surfaces to prevent rotation, used in electrical and appliance assemblies. Its non-threaded spring lock design classifies it under this tariff item.
7318.21.00M12 Dome Spring Washer
A cylindrical steel spring washer that compresses into a dome shape under load for high axial loading, applied in heavy equipment and bridge construction. Its non-threaded spring design places it under this tariff item.
7318.21.00M6 Stainless Steel Split Lock Washer
A helical split ring washer made from AISI 304 stainless steel, designed to compress under bolt tension for locking action and prevent fastener loosening. Its non-threaded spring design classifies it under this tariff item.
7318.21.00Nord-Lock Steel Washer Pair
A patent wedge-locking washer pair with a ramp design that maintains preload through vibration, sold as a pair for wind turbines and offshore platforms. Despite pair packaging, it is classified as a spring lock washer under this tariff item.
7318.21.00Slotted Spring Lock Washer USS Size 1/2
A carbon steel washer with a slotted helical design for superior vibration resistance per USS standards, used in HVAC and plumbing fixtures. Its non-threaded spring lock design places it under this tariff item.
7318.21.00Torsional Lock Washer 3/8 Inch
A steel washer with twisted tabs providing torsional resistance beyond axial spring force, used in vibration-intensive rail and mining equipment. Its non-threaded lock design classifies it under this tariff item.
7318.21.00Wave Spring Washer 25mm ID
A pre-tempered steel washer with multiple wave undulations providing spring force in tight spaces, used in automotive transmissions and pumps. Its non-threaded spring design places it under this tariff item as a lock washer.
7318.22.00Beveled Steel Washer for Wood Decking
A conical-shaped steel washer designed to sit flush on wood surfaces for lag screw applications in decking. It distributes the load of the fastener over a wider area, preventing damage to the wood and ensuring a secure fit on uneven surfaces.
7318.22.00Black Oxide Plain Washer 5/16 Inch
A carbon steel plain washer with a black oxide finish, providing corrosion resistance and a sleek appearance for tools and general hardware applications. It is a non-threaded washer used to distribute load and prevent surface damage.
7318.22.00Countersunk Steel Washer M12
A tapered steel washer designed for flush screw heads in woodworking applications. It allows screws to sit level with the surface, providing a clean finish while distributing the load evenly.
7318.22.00DIN 9021 Sealing Washer A2-70
A stainless steel washer with a rubber seal, primarily made of steel, designed to provide a watertight seal in various applications. The steel body ensures strength, while the rubber seal prevents leakage.
7318.22.00Galvanized Plain Washer M10
A zinc-coated carbon steel plain washer for M10 bolts, providing corrosion protection in structural applications. It is a non-threaded washer that distributes the load and prevents damage to the connected parts.
7318.22.00Hardened Steel Internal Tooth Lock Washer Alternative
A hardened steel washer with a tooth pattern that provides bite for vibration resistance, but it is not a spring washer. It is a non-threaded washer designed for specific fastening applications where extra grip is needed.
7318.22.00Heavy Hex Steel Washer 3/4 Inch
A large hex-shaped steel washer for structural bolts, designed to provide a wider bearing surface and distribute the load in heavy-duty applications. It is a non-threaded washer made of construction-grade steel.
7318.22.00High-Strength Alloy Steel Washer Grade 8
A heat-treated alloy steel washer compatible with Grade 8 bolts for high-stress applications like heavy machinery. It is a non-threaded washer that provides strength and load distribution in demanding environments.
7318.22.00Hot-Dipped Galvanized Square Washer
A square steel plate washer for timber construction, designed to provide a large bearing surface and prevent pull-through in wood applications. It is a non-threaded washer with a hot-dipped galvanized finish for corrosion resistance.
7318.22.00M6 Steel Flat Washer
A flat, circular non-threaded washer made of carbon steel, designed to distribute the load of a fastener over a larger area to prevent pull-through. It is a standard washer used in various applications.
7318.22.00Marine Grade 316 Stainless Flat Washer
A Type 316 stainless steel flat washer for saltwater environments, offering superior corrosion resistance. It is a non-threaded washer used in marine hardware and outdoor applications.
7318.22.00Metric Form B Flat Washer
A precision ground surface washer with a flat, circular shape, designed for applications requiring tight tolerances. It is a non-threaded steel washer that ensures accurate load distribution.
7318.22.00Stainless Steel Fender Washer 1/4 Inch
A large outer diameter stainless steel washer used in construction and outdoor applications to provide extra bearing surface on soft materials like wood. It is a non-threaded washer that prevents pull-through and distributes load.
7318.22.00Structural Tapered Washer ASTM F959
A structural tapered washer designed for A325 bolts in bridges, providing a precise fit and load distribution. It is a non-threaded steel washer that meets specific structural standards.
7318.22.00Zinc-Plated Finishing Washer M8
A small outer diameter zinc-plated steel washer for clean finishes in furniture assembly. It is a non-threaded washer that provides a neat appearance while distributing load.
7318.23.00Aluminum-Core Steel Rivets
Aluminum-core steel rivets are non-threaded fasteners with a steel body and aluminum core, designed for lightweight fastening in aerospace applications. They provide corrosion resistance and are installed by deformation, which qualifies them as rivets under tariff item 7318.23.00.
7318.23.00Button Head Blind Rivets
Button head blind rivets are steel non-threaded fasteners with a protruding head, installed from one side of the workpiece. They are commonly used in HVAC ductwork and feature a mandrel that breaks off during installation, making them typical blind rivets under tariff item 7318.23.00.
7318.23.00Copper Washers Steel Rivets
Copper washers steel rivets are steel rivets with an integral copper sealing washer, used in plumbing and roofing for watertight connections. The steel body is the primary material, and the non-threaded design qualifies them as rivets under tariff item 7318.23.00.
7318.23.00Drive Pin Rivets
Drive pin rivets are steel non-threaded fasteners with a smooth shank and head, driven into concrete or masonry to attach fixtures. They are designed for permanent installation and are classified as rivets under tariff item 7318.23.00.
7318.23.00Flush Head Steel Rivets
Flush head steel rivets are low-profile, non-threaded fasteners made of mild steel, used in aircraft skins and automotive panels to minimize drag. They are set with a bucking bar and are classified as rivets under tariff item 7318.23.00.
7318.23.00High-Strength Alloy Steel Rivets
High-strength alloy steel rivets are non-threaded fasteners made from alloy steel like 4140, heat-treated for high shear strength in heavy equipment. They are driven hot or cold and are classified as rivets under tariff item 7318.23.00.
7318.23.00Mushroom Head Rivets
Mushroom head rivets are steel non-threaded fasteners that form a mushroom-shaped head when set, used in leather goods and upholstery. They provide a secure and decorative hold and are classified as rivets under tariff item 7318.23.00.
7318.23.00Oval Head Steel Rivets
Oval head steel rivets are non-threaded fasteners with raised oval heads, used in decorative metalwork and signage. They provide an aesthetic finish after installation and are classified as rivets under tariff item 7318.23.00.
7318.23.00Pan Head Steel Rivets
Pan head steel rivets are low-carbon steel non-threaded fasteners with a broad bearing surface, used in general machinery assembly. They are set by hammering or pressing and are classified as rivets under tariff item 7318.23.00.
7318.23.00Round Head Steel Rivets
Round head steel rivets are traditional non-threaded fasteners with a round head, used in boatbuilding and chainmail reproduction. They are hammer-set for an authentic appearance and are classified as rivets under tariff item 7318.23.00.
7318.23.00Solid Stainless Steel Rivets
Solid stainless steel rivets are non-threaded fasteners made from Type 304 stainless steel, used in marine and food processing equipment for corrosion resistance. They are driven by hand or pneumatic tools and are classified as rivets under tariff item 7318.23.00.
7318.23.00Split Rivets
Split rivets are steel non-threaded fasteners with legs that expand when inserted into pre-punched holes, used in furniture and cabinetry. They require no tools for setting and are classified as rivets under tariff item 7318.23.00.
7318.23.00Steel Pop Rivets
Steel pop rivets are blind rivets with a mandrel that snaps off during installation, used for fastening sheet metal in construction and automotive assembly. They are non-threaded and are classified as rivets under tariff item 7318.23.00.
7318.23.00Structural Steel Rivets
Structural steel rivets are hot-driven carbon steel non-threaded fasteners used for permanent structural joints in bridges and buildings. They expand when heated to form a tight fit and are classified as rivets under tariff item 7318.23.00.
7318.23.00Tinner's Steel Rivets
Tinner's steel rivets are small non-threaded fasteners with a flat head, used by tinsmiths for joining sheet metal HVAC components and gutters. They provide a smooth finish and are classified as rivets under tariff item 7318.23.00.
7318.24.00Cadmium Plated Cotter Pin 7/32 x 1-3/4 Inch
A cadmium-plated steel cotter pin, 7/32 inch by 1-3/4 inch, designed for military and aviation applications where corrosion resistance is critical. The cadmium coating is a surface treatment that does not alter the base metal classification, so it remains a cotter pin of iron or steel under tariff item 7318.24.00.
7318.24.00Color-Coded Cotter Pin Kit Steel
A kit of color-coded steel cotter pins with nylon tips, designed for maintenance professionals to quickly identify sizes. The nylon tips are a minor addition that does not change the essential character of the steel cotter pins, which remain classifiable under tariff item 7318.24.00 as cotters and cotter-pins.
7318.24.00Extended Prong Steel Cotter Pin 3/16 x 3 Inch
An extended prong steel cotter pin, 3/16 inch by 3 inches, with elongated split prongs for high-vibration applications in engines and industrial pumps. Its non-threaded iron or steel construction and function as a pivot retention device place it squarely under tariff item 7318.24.00 for cotters and cotter-pins.
7318.24.00Half-Round Steel Cotter Pin 9/64 x 1 Inch
A half-round steel cotter pin, 9/64 inch by 1 inch, with a semi-circular cross-section for tight clearance applications in hydraulic cylinders. The cross-sectional shape is within the 16 mm limit for wire, and its non-threaded steel construction classifies it under tariff item 7318.24.00 as a cotter pin.
7318.24.00Heavy Duty Steel Cotter Pin 3/16 x 2 Inch
A heavy-duty steel cotter pin, 3/16 inch by 2 inches, with a tapered split for easy insertion and expansion in heavy machinery. As a non-threaded iron or steel cotter pin, it falls under tariff item 7318.24.00, which covers cotters and cotter-pins regardless of size.
7318.24.00High-Tensile Steel Cotter Pin 1/4 x 2-1/2 Inch
A high-tensile alloy steel cotter pin, 1/4 inch by 2-1/2 inches, with 180 ksi tensile strength for heavy lifts in cranes and rigging. The alloy composition does not change its classification as a steel cotter pin under tariff item 7318.24.00, which covers cotters and cotter-pins of iron or steel.
7318.24.00Industrial Cotter Pin Assortment Kit Steel
An industrial cotter pin assortment kit containing various sizes of steel cotter pins for maintenance and factory tool cribs. Since the kit consists solely of cotter pins, it is classified under tariff item 7318.24.00 for cotters and cotter-pins, provided it is not sold as a set with other articles.
7318.24.00Metric Steel Cotter Pin M4 x 20mm
A metric-sized steel cotter pin, M4 by 20 mm, compatible with European machinery and used for servicing imported equipment. The metric sizing does not affect classification, and as a non-threaded steel cotter pin, it falls under tariff item 7318.24.00.
7318.24.00Oversized Steel Cotter Pin 3/8 x 4 Inch
An oversized steel cotter pin, 3/8 inch by 4 inches, designed for clevises in earthmoving equipment. Despite its large size, it remains a non-threaded steel cotter pin and is classified under tariff item 7318.24.00, which has no size restrictions.
7318.24.00Quick-Release Cotter Pin with Ball Lock
A quick-release cotter pin with a ball lock mechanism, made of steel, for tool-free installation in aviation ground support equipment. The spring ball detent is an integral part of the cotter pin's function, and the product remains classifiable under tariff item 7318.24.00 as a cotter pin of steel.
7318.24.00Ring Cotter Pin Steel 1/8 x 7/8 Inch
A ring cotter pin, 1/8 inch by 7/8 inch, with a bow-tie shape that snaps into grooves without hammering, used in bicycles and small engines. This variant of a cotter pin, made of non-threaded steel, is classified under tariff item 7318.24.00 for cotters and cotter-pins.
7318.24.00Stainless Steel Cotter Pin 5/32 x 1-1/4 Inch
A Type 304 stainless steel cotter pin, 5/32 inch by 1-1/4 inch, for high-corrosion environments like food processing. Stainless steel qualifies as a steel alloy, so the pin is classified under tariff item 7318.24.00 as a cotter pin of iron or steel.
7318.24.00Steel Cotter Pin 1/8 x 1 Inch
A standard steel cotter pin, 1/8 inch by 1 inch, with a split end that is hammered into place to secure bolts or pins in mechanical assemblies. This classic non-threaded steel cotter pin is classified under tariff item 7318.24.00, which covers cotters and cotter-pins.
7318.24.00Tapered Steel Cotter 5/16 x 2 Inch
A tapered steel cotter, 5/16 inch by 2 inches, wedge-shaped for adjustable tightening in castings and dies. Its non-threaded steel construction and cotter function place it under tariff item 7318.24.00, distinct from bolts due to the absence of threads.
7318.24.00Zinc-Plated Cotter Pin 1/4 x 1-1/2 Inch
A zinc-plated steel cotter pin, 1/4 inch by 1-1/2 inches, for marine and outdoor use where corrosion resistance is needed. The zinc plating is a surface treatment that does not change the base metal classification, so it remains a cotter pin of steel under tariff item 7318.24.00.