High Strength Alloy Steel Self-Tapper M8
M8 high-strength alloy steel self-tapping screw for automotive frames. Classified HTS 7318.14.50 for 8 mm diameter self-tappers of iron or steel.
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Alternative Classifications
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If heat-treated machine bolts
High-strength machine threads without self-tap in 7318.15.60.
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Import Tips & Compliance
• Provide alloy composition certificates (e.g
• 10B21 steel)
• Mark tensile strength (e.g
• 1200 MPa) clearly
• Separate from carbon steel for potential duty differences
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