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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Coach screws of iron/steel | | | | | $4,288 | $2,215 |
| Wood screws other than coach screws, of iron/steel | $4 | $81 | $241 | $1,492 | $75,799 | $29,784 |
| Screw hooks & screw rings, of iron/steel | | $927 | $23,705 | $1,828 | | $997 |
| Self-tapping screws of iron/steel | | $135 | $837 | $14,867 | $138,422 | $186,780 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | | $11,193 | $104,985 | $15,755 | $93,575 | $38,037 |
| Nuts of iron/steel | $50 | $33,966 | $39,691 | $6,606 | $41,542 | $32,236 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $496 | $55,575 | $4,607 | $2,164 | $9,980 | $1,637 |
| Spring washers & oth. lock washers, of iron/steel | | $9,500 | $753 | $1,199 | $12,002 | $9,822 |
| Washers (excl. of 7318.21) of iron/steel | $1 | | $21,605 | $649 | $12,159 | $2,129 |
| Rivets of iron/steel | | $382 | $74 | | $72 | |
| Cotters & cotter-pins, of iron/steel | | | $26 | $34 | $178 | $98 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $83 | $3,026 | $1,981 | $267 | $1,118 | $76,555 |
| Total | $634 | $114,785 | $198,505 | $44,861 | $389,135 | $380,290 |
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