www.mwfa.net (Midwest Fastener Association)
www.nfda-fastener.org (National Fastener Distribution Assoc.)
www.industrial-fasteners.org (Industrial Fasteners Institute, IFI)
www.ansi.org (American National Standards Institute, ANSI)
www.anp.din.de (German Institute for Standards, DIN)
www.jisc.go.jp/eng/ (Japanese Industrial Standards, JIS)
www.uspto.gov/web/office/tac/fqa/ (Fastener Quality Act)
www.fastenernews.com (FIN)
www.fastenerjournal.com (American Fastener Journal)
www.linkmagazine.com (Link Magazine)