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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $3,332,449 | $1,366,550 | $863,337 | $6,479,571 | $3,746,884 | $4,493,703 | $8,122,184 |
| Wood screws other than coach screws, of iron/steel | $407,024 | $385,475 | $647,431 | $700,468 | $414,462 | $770,936 | $570,112 |
| Screw hooks & screw rings, of iron/steel | $2,228,928 | $2,075,825 | $2,086,673 | $2,036,186 | $3,556,972 | $2,251,417 | $3,503,987 |
| Self-tapping screws of iron/steel | $32,343,901 | $34,229,912 | $42,130,623 | $34,684,593 | $27,900,663 | $22,364,047 | $18,355,989 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $114,227,467 | $121,169,864 | $132,713,642 | $155,520,574 | $131,308,787 | $162,610,659 | $153,793,273 |
| Nuts of iron/steel | $7,045,390 | $8,065,439 | $9,282,446 | $12,009,568 | $9,942,420 | $15,497,631 | $21,555,542 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $9,581,411 | $8,928,566 | $8,869,387 | $11,009,826 | $10,724,614 | $13,134,069 | $18,295,486 |
| Spring washers & oth. lock washers, of iron/steel | $2,088,354 | $1,584,547 | $1,764,853 | $2,058,668 | $4,008,483 | $4,463,679 | $3,599,821 |
| Washers (excl. of 7318.21) of iron/steel | $7,925,419 | $11,347,638 | $10,550,920 | $13,820,940 | $9,140,798 | $12,295,999 | $12,262,328 |
| Rivets of iron/steel | $4,935,592 | $3,483,946 | $3,497,050 | $5,248,848 | $4,970,849 | $5,317,626 | $4,285,504 |
| Cotters & cotter-pins, of iron/steel | $1,267,664 | $1,186,817 | $1,766,029 | $1,523,338 | $809,568 | $428,995 | $418,976 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $2,845,659 | $4,596,700 | $4,339,356 | $4,928,508 | $2,793,899 | $3,947,800 | $3,079,945 |
| Total | $188,229,258 | $198,421,279 | $218,511,747 | $250,021,088 | $209,318,399 | $247,576,561 | $247,843,147 |
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