Harmonized System
Section XV > Chapter 73 > Heading 7318 > 7318.1 > 7318.12
Other wood screws
Section XV > Chapter 73 > Heading 7318 > 7318.1 > 7318.13
Screw hooks and screw rings
Section XV > Chapter 73 > Heading 7318 > 7318.1 > 7318.14
Self-tapping screws
Section XV > Chapter 73 > Heading 7318 > 7318.1 > 7318.15
Other screws and bolts, whether or not with their nuts or washers
Section XV > Chapter 73 > Heading 7318 > 7318.2 > 7318.21
Spring washers and other lock washers