Metalworking

80/20
T-slotted aluminum extrusions
caswell
Great info site for plating, and they are a supplier as well
desktop cnc
If you want to buy a desktop CNC device, read here first
english custom polishing
Metal polish for aluminum, silver, brass, chrome, stainless steel, copper and bronze.
fastener express
Great source for good looking screws including anodized
finishing.com
This is supposed to be a metal finishing directory, but it's barely useable
handrub
How to finish a knife blade
how to make your own steel knifes
Very good how to article on making a knife.
mcnichols: perforated metal
Supplier for perforated metal sheets.
nomma
The National Ornamental & Miscellaneous Metals Association has a great library of metalworking articles
online metal supply
Small quantity online metal oerders, plus plastics.
onlinemetals.com
An online source for metal stock, but not cheap
williams lowbuck
Metalworking tool supplier