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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $30,265 | $26,703 | $3,240 | $9,000 | $4,703 | $832 | $2,055 |
| Wood screws other than coach screws, of iron/steel | $41,941 | $44,580 | $35,722 | $85,251 | $32,886 | $8,587 | $7,855 |
| Screw hooks & screw rings, of iron/steel | $184 | $1,598 | $596 | $4,367 | $825 | $1,395 | $868 |
| Self-tapping screws of iron/steel | $181,353 | $244,711 | $357,696 | $318,078 | $172,739 | $318,025 | $651,822 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $1,192,419 | $1,153,266 | $2,052,017 | $2,474,097 | $1,173,625 | $1,282,146 | $2,161,088 |
| Nuts of iron/steel | $165,396 | $189,802 | $437,551 | $490,678 | $197,557 | $283,294 | $217,133 |
| Spring washers & oth. lock washers, of iron/steel | $1,160 | $1,875 | $16,355 | $7,034 | $141 | $382 | $1,341 |
| Washers (excl. of 7318.21) of iron/steel | $152,544 | $159,243 | $287,998 | $345,862 | $135,813 | $189,985 | $199,737 |
| Rivets of iron/steel | $42,248 | $42,703 | $71,864 | $152,927 | $79,333 | $54,634 | $99,801 |
| Cotters & cotter-pins, of iron/steel | $693 | $5,021 | $4,284 | $1,980 | $2,354 | $4,875 | $2,946 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $4,754 | $3,291 | $1,009 | $14,082 | $2,518 | $73,751 | $12,824 |
| Total | $1,812,957 | $1,872,793 | $3,268,332 | $3,903,356 | $1,802,494 | $2,217,906 | $3,357,470 |
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