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Heading (4-digit)

7318Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel:

鉄鋼製のねじ、ボルト、ナット、コーチスクリュー、スクリューフック、リベット、コッター、コッターピン、座金（ばね座金を含む。）その他これらに類する製品

HS code 7318 is a Heading (4-digit) classification number. In Japan's trade statistics (published by Ministry of Finance), it represents import/export items classified as “Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel:”. This code has 12 subcategories defined below it.

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Latest trade statistics

In May 2026, Japan's imports under HS code 7318 (Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel:) totaled ¥13B (YoY +15.5%), with a volume of 19,524,182 KG at about ¥677/KG. The top import sources are People's Republic of China (33.8%), Taiwan (23.0%), United States of America (20.6%). Exports totaled ¥28B (YoY +9.2%), with a volume of 21,614,274 KG at about ¥1,291/KG. The top export destinations are United States of America (27.6%), People's Republic of China (16.6%), Thailand (11.2%).

Export (May 2026)
¥28B
YoY: +9.2%
Qty: 21,614,274 KG
Unit price: ¥1,291/KG
Import (May 2026)
¥13B
YoY: +15.5%
Qty: 19,524,182 KG
Unit price: ¥677/KG

Top export destinations (2025)

#CountryValueShareQtyUnit price
1United States of America¥95B27.6%86,970,882 KG¥1,093/KG
2People's Republic of China¥57B16.6%46,337,484 KG¥1,235/KG
3Thailand¥39B11.2%33,503,559 KG¥1,154/KG
4India¥20B6.0%17,909,959 KG¥1,144/KG
5Indonesia¥20B5.7%18,263,433 KG¥1,076/KG

Top import sources (2025)

#CountryValueShareQtyUnit price
1People's Republic of China¥47B33.8%142,215,996 KG¥329/KG
2Taiwan¥32B23.0%53,046,447 KG¥601/KG
3United States of America¥28B20.6%797,493 KG¥35,719/KG
4Viet Nam¥5B3.8%14,202,436 KG¥373/KG
5Republic of Korea¥5B3.6%8,059,503 KG¥620/KG

Subcategories12items

Subheading (6-digit)
731811Coach screws
Subheading (6-digit)
731812Other wood screws
Subheading (6-digit)
731813Screw hooks and screw rings
Subheading (6-digit)
731814Self-tapping screws
Subheading (6-digit)
731815Other screws and bolts, whether or not with their nuts or washers:
Subheading (6-digit)
731816Nuts:
Subheading (6-digit)
731819Other
Subheading (6-digit)
731821Spring washers and other lock washers
Subheading (6-digit)
731822Other washers
Subheading (6-digit)
731823Rivets
Subheading (6-digit)
731824Cotters and cotter-pins
Subheading (6-digit)
731829Other

Related codes

Other codes in the same classification group

7301Sheet piling of iron or steel, whether or not drilled, punched or made from assembled elements; welded angles, shapes and sections, of iron or steel:7302Railway or tramway track construction material of iron or steel, the following : rails, check-rails and rack rails, switch blades, crossing frogs, point rods and other crossing pieces, sleepers (cross-ties), fish-plates, chairs, chair wedges, sole plates (base plates), rail clips, bedplates, ties and other material specialized for jointing or fixing rails:7304Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel:7305Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross-sections, the external diameter of which exceeds 406.4 mm, of iron or steel:7306Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel:7307Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel:7308Structures (excluding prefabricated buildings of heading 94.06) and parts of structures (for example, bridges and bridge-sections, lock-gates, towers, lattice masts, roofs, roofing frame-works, doors and windows and their frames and thresholds for doors, shutters, balustrades, pillars and columns), of iron or steel; plates, rods, angles, shapes, sections, tubes and the like, prepared for use in structures, of iron or steel:7310Tanks, casks, drums, cans, boxes and similar containers, for any material (other than compressed or liquefied gas), of iron or steel, of a capacity not exceeding 300 l, whether or not lined or heat-insulated, but not fitted with mechanical or thermal equipment:7312Stranded wire, ropes, cables, plaited bands, slings and the like, of iron or steel, not electrically insulated:7314Cloth (including endless bands), grill, netting and fencing, of iron or steel wire; expanded metal of iron or steel:7315Chain and parts thereof, of iron or steel:7319Sewing needles, knitting needles, bodkins, crochet hooks, embroidery stilettos and similar articles, for use in the hand, of iron or steel; safety pins and other pins of iron or steel, not elsewhere specified or included:7320Springs and leaves for springs, of iron or steel:7321Stoves, ranges, grates, cookers (including those with subsidiary boilers for central heating), barbecues, braziers, gas-rings, plate warmers and similar non-electric domestic appliances, and parts thereof, of iron or steel:7322Radiators for central heating, not electrically heated, and parts thereof, of iron or steel; air heaters and hot air distributors (including distributors which can also distribute fresh or conditioned air), not electrically heated, incorporating a motor-driven fan or blower, and parts thereof, of iron or steel:7323Table, kitchen or other household articles and parts thereof, of iron or steel; iron or steel wool; pot scourers and scouring or polishing pads, gloves and the like, of iron or steel:7324Sanitary ware and parts thereof, of iron or steel:7325Other cast articles of iron or steel:7326Other articles of iron or steel:

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