M8x1.25 Hex Head Stud
A fully threaded steel stud with a hex head, 1.25mm pitch and 8mm diameter, used for secure fastening in machinery and automotive assemblies. It falls under HTS 7318.15.50 as a 'stud', defined as a headless bolt or screw with full or partial threading designed for bolting applications without a defined head for driving.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If partially threaded or with integrated nut
Partial threading or added features like nuts classify as 'other screws and bolts' rather than pure studs.
If made of stainless steel
Stainless steel variants fall under spring washers and similar non-threaded articles in a separate subheading.
If imported as part of vehicle suspension assembly
End-use in motor vehicles reclassifies under Chapter 87 parts, not general iron/steel hardware.
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Import Tips & Compliance
• Verify thread pitch and diameter match HTS specifications; studs must lack a drive socket or head to avoid reclassification as bolts
• Include material certificates confirming iron/steel composition per Chapter 73 notes
Related Products under HTS 7318.15.50
1/4-20 UNC Double-End Stud
A double-ended fully threaded carbon steel stud with 1/4-inch diameter and 20 threads per inch, ideal for mounting applications in construction and HVAC systems. Classified under HTS 7318.15.50 for studs, which are threaded fasteners without heads, distinguishing them from headed bolts.
3/8-16 UNF Alloy Steel Stud
High-strength alloy steel stud, 3/8-inch diameter with 16 fine threads per inch, for aerospace and pressure vessel bolting. Falls under 7318.15.50 as iron/steel studs, excluding wire dimensions over 16mm.
M6x1.0 Metric Threaded Rod Stud
Cut-to-length fully threaded M6 steel rod functioning as a stud for furniture assembly and shelving. HTS 7318.15.50 includes such uniform threaded rods used as headless bolts.
5/16-18 Fully Threaded Stud
Carbon steel stud with uniform 5/16-inch diameter and 18 coarse threads, applied in plumbing fixtures and pipe hangers. As a headless threaded fastener, it precisely matches HTS 7318.15.50 studs.
M12x1.75 High-Tensile Stud
Grade 8.8 high-tensile steel stud, M12 coarse thread for structural steel framing and bridges. Classified in 7318.15.50 for other steel studs meeting dimensional and form criteria.
1/2-13 UNC Heavy Hex Stud
Heavy series hex shoulder steel stud, 1/2-inch with 13 threads per inch for oilfield and mining equipment. HTS 7318.15.50 applies to stud variants without slotted/phillips drives.