Commodity200520062007200820092010
Coach screws of iron/steel$95$62   $927
Wood screws other than coach screws, of iron/steel$250$352$163$42  
Screw hooks & screw rings, of iron/steel  $289$4$75,034$474
Self-tapping screws of iron/steel $228 $22,148  
Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ...$367,597$156,285$184,174$19,984$14,863$43,471
Nuts of iron/steel$9,380$41,593$2,655$13,981$5,960$11,605
Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16)$1,753$2,477$2,771$364$1,363$727
Spring washers & oth. lock washers, of iron/steel$2,066$2,451$98$2,317  
Washers (excl. of 7318.21) of iron/steel$25,714$1,805$5,988$6,998$462$2,167
Rivets of iron/steel$2,749$90$298$1,775$8,408$699
Cotters & cotter-pins, of iron/steel$9,336$2,398$854$6,552$9,030$1,595
Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ...$18,235$5,912$4,285$8,717$9,424$4,943
Total$437,175$213,653$201,575$82,882$124,544$66,608