Section XV — Base metals and articles of base metal
Subheading
731816
Nuts
Common commodities
Hexagonal steel fastening boltsSquare shaped steel locking washersBrass hex nuts for mechanical applicationsNylon-insert wing nuts with gripping teethStainless steel acorn nuts with knurled topHexagonal flange nuts for high-strength boltingButterfly steel nuts with captive boltsZinc-coated hex nuts for corrosion resistanceAluminum alloy square nuts for lightweight structuresHeavy duty steel jam nuts with large thread size