M22 Heavy Hex Bolt

Oversized hex head bolt with 22 mm diameter threads for mining equipment and large machinery. Designed for extreme torque applications. Classifies in HTS 7318.15.80 as other screw/bolt >6 mm.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China8.5%+35.0%43.5%
🇲🇽Mexico8.5%+10.0%18.5%
🇨🇦Canada8.5%+10.0%18.5%
🇩🇪Germany8.5%+10.0%18.5%
🇯🇵Japan8.5%+10.0%18.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7318.29.00Lower: 37.8% vs 43.5%

If non-threaded pins accompanying bolts

Heading separates threaded from similar non-threaded articles.

8431.39.00Lower: 35% vs 43.5%

If parts of mining machinery

End-use determines classification in machinery chapters.

7310.10.00Lower: 35% vs 43.5%

If mistaken for wire-formed tank parts

Wire definition (max 16 mm cross-section) excludes these solid shanks.

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

Calibrate torque specs in docs; proves industrial 'other' classification

Black oxide or plain finish common; declare surface treatment accurately

Related Products under HTS 7318.15.80

M10 Hex Head Cap Screw

A fully threaded steel bolt with a hexagonal head, featuring an M10 thread diameter of 10 mm, used for heavy-duty fastening in machinery and construction. It falls under HTS 7318.15.80 due to its shank/thread diameter exceeding 6 mm and classification as an other screw or bolt of iron or steel. Often sold with matching nuts and washers for secure assembly.

Grade 8.8 M12 Carriage Bolt

A round-head steel carriage bolt with square neck and M12 (12 mm) threads, ideal for woodworking and structural applications where rotation prevention is needed. Classified in HTS 7318.15.80 for its large shank diameter and status as an other bolt of iron or steel. Typically includes nut for through-bolting.

Grade 10.9 M10 Eye Bolt

Forged steel eye bolt with M10 threaded shank (10 mm) and closed eye for lifting and rigging applications. High-tensile grade 10.9 for overhead loads. HTS 7318.15.80 for large shank threaded articles.

M18 Structural Bolt A325

High-strength A325 steel bolt with M18 threads for steel building frameworks, heavy tension connections. Diameter 18 mm exceeds 6 mm threshold. HTS 7318.15.80 covers these other large bolts.

M14 Plow Bolt

Counterbored flat head bolt with M14 (14 mm) threads for agricultural and earth-moving equipment wear parts. Prevents spin-out under vibration. HTS 7318.15.80 for large shank other bolts.

M16 U-Bolt

Semi-circular threaded rod bent into U-shape with M16 parallel threads (16 mm diameter) for pipe clamps and suspension systems. Double-ended for nuts. HTS 7318.15.80 as large threaded other article.