M20 Metric Track Bolt and Nut Set
M20 (20 mm) metric track bolt with hex nut, constructed from quenched and tempered steel for international railway standards. Features a clipped head for easy installation on track ties and shipped as a set. Falls under HTS 7318.15.20.20 due to diameter over 6 mm and track-specific design.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If standard hex head without track features
Non-specialized hex bolts over 6 mm go to other machine screw/bolt categories.
If small diameter wire-formed versions
If cross-section ≤16 mm and wire-formed, may classify as tank fittings; but track bolts exceed typical wire dims.
If miscellaneous railway parts not elsewhere specified
Catch-all for rail-specific fasteners not fitting Chapter 73 precisely.
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Import Tips & Compliance
• Convert metric dimensions accurately on entry docs (M20 = ~20 mm > 6 mm) to match HTS criteria
• Provide evidence of railway certification (e.g
• EN 14587) for smooth customs clearance
• Bundle with tie plate compatibility specs to differentiate from construction bolts
Related Products under HTS 7318.15.20.20
Standard 5/8 inch Track Bolt with Nut
A 5/8 inch diameter high-strength steel track bolt with matching hex nut, designed specifically for securing railroad track ties to plates. It features a full thread shank exceeding 6 mm diameter and is typically exported with its nut in the same shipment. This product falls under HTS 7318.15.20.20 as a track bolt due to its specialized use in railway track assembly.
1 inch Heavy Duty Track Bolt Kit
Heavy-duty 1-inch diameter track bolt complete with nut and washer, made from carbon steel for high-load railroad applications. The bolt has an oval neck to prevent turning and threads over 6 mm for secure fastening of rails to ties. Classified under HTS 7318.15.20.20 for track bolts shipped with hardware.
3/4 inch High-Tensile Track Bolt with Washer
3/4 inch high-tensile alloy steel track bolt paired with a hardened washer and nut for railway track fastening. Engineered with a tapered shank over 6 mm diameter to fit standard tie plates. This meets HTS 7318.15.20.20 criteria for track bolts exported in mixed shipments.
Fishbolt Track Bolt Pair with Nuts
Pair of 7/8 inch fishbolts (special track bolts) with heavy nuts for joining rail fishplates at track joints. Made from heat-treated steel with 6 mm+ threads for high shear strength. HTS 7318.15.20.20 applies to these shipped together for railway splicing.
AREMA Standard Track Bolt 1-1/8 inch
1-1/8 inch track bolt meeting AREMA (American Railway Engineering) standards, including nut, for North American heavy rail. Full-threaded shank over 6 mm with oval neck prevents rotation in ties. Classified as HTS 7318.15.20.20 track bolt with accessories.