Commodity200920102011
Coach screws of iron/steel$344,473$164,368$230,358
Wood screws other than coach screws, of iron/steel$1,328,702$19,194$36,608
Screw hooks & screw rings, of iron/steel $15,149$15,650
Self-tapping screws of iron/steel $89,070$118,782
Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... $1,088,956$1,427,681
Nuts of iron/steel $469,012$363,046
Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16)$822,286$285,172$293,738
Spring washers & oth. lock washers, of iron/steel $187,053$160,195
Washers (excl. of 7318.21) of iron/steel $244,323$248,191
Rivets of iron/steel $10,130$12,652
Cotters & cotter-pins, of iron/steel $154,718$212,289
Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ...$650,002$191,786$147,606
Total$3,145,463$2,918,931$3,266,796