Commodity200520062008200920102011
Coach screws of iron/steel$552 $9,255  $101
Wood screws other than coach screws, of iron/steel$760$494$240  $585
Screw hooks & screw rings, of iron/steel  $240   
Self-tapping screws of iron/steel$43 $65   
Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ...$1,561,317$212,971$129,242$57,492$78,358$25,524
Nuts of iron/steel$58,923$1,848$21,772$22,331$45,827$8,353
Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16)$7,818$1,411$12,361$22,673$8$29,943
Spring washers & oth. lock washers, of iron/steel$10,104$10$4,228  $124
Washers (excl. of 7318.21) of iron/steel$6,071$382$14,888$1,793$11,111$2,373
Rivets of iron/steel$46,579$5,181$6,189$2,563$6,380 
Cotters & cotter-pins, of iron/steel$17,495$6,749$6,359$7,661$3,852$17,042
Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ...$83,887$383$55,733$20,021$661$918
Total$1,793,549$229,429$260,572$134,534$146,197$84,963