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| Commodity | 2008 | 2009 | 2010 |
| Coach screws of iron/steel | $48,244 | $2,213 | $4,310 |
| Wood screws other than coach screws, of iron/steel | $27,961 | $2,005 | $3,050 |
| Screw hooks & screw rings, of iron/steel | $2,645 | $4,147 | $9,992 |
| Self-tapping screws of iron/steel | $40 | $49 | $8,565 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $95,950 | $61,206 | $127,911 |
| Nuts of iron/steel | $1,769 | $1,506 | $3,746 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $14,181 | $37,527 | $52,226 |
| Spring washers & oth. lock washers, of iron/steel | $7,248 | $396 | $298 |
| Washers (excl. of 7318.21) of iron/steel | $415 | $1,974 | $9,203 |
| Rivets of iron/steel | $11,344 | $3,825 | $1,581 |
| Cotters & cotter-pins, of iron/steel | $8,793 | $17 | $99 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $2,110 | $46 | $3,633 |
| Total | $220,700 | $114,911 | $224,614 |
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