M20 A2-70 Socket Head Cap Screw
High-strength A2-70 (304 SS equivalent) socket head cap screw with M20 coarse threads (20mm diameter), fully threaded shank. HTS 7318.15.80.30 for stainless socket screws exceeding 6mm diameter. Applied in structural steel connections and pressure vessels.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If having finer tolerances
Precision-ground threads may qualify for specific socket screw subcategories.
If for pipe flanges
End-use in pipe fittings classifies under tube/pipe fittings chapter.
If safety pins or cotters
Pin-like function without full threading changes to other fasteners.
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
• Include strength class markings (A2-70) on commercial invoice for property verification
• Large sizes require weight certifications; mismatches trigger re-weighing at entry
• Ensure no alloy steel confusion - stainless must have chromium/nickel specs
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