HEATKEYS

Boston Gear is a pioneer and leader in the power transmission industry, offering a comprehensive selection of high-performance power transmission products and superior service.

Drafting Zone - Home of the Modern Drafting Practices and Standards Manual

We are the leading supplier of metric Spur Gears, Helical Gears, Spiral & Striaght Bevel Gears, Miter Gars, Ring Gears, Screw Gears, Gear Racks, Worms & Worm Wheels, Ratchets & Pawls, Involute Splines, and related gearing items.

A WPI education has never been more relevant than it is today, because the demand for innovative thinkers who can solve problems on a global scale has never been greater.

GrabCAD - a free CAD model library with 2D / 3D CAD files available for software like SolidWorks, AutoCAD, Autodesk Inventor, Solid Edge, SketchUp etc.

GlobalSpec is a search engine and information resource for the engineering, industrial and technical communities. We help you quickly find industrial parts, specifications and services.

Helical Gears, Bevel Gears, Hypoid Gears, Straigh Bevel Gears. Nissei USA - Supplying Precision Gearing Components to OEM Manufacturers Around the Globe

Scientific physics forums for professionals and students to discuss serious issues and topics regarding physics in theory, practice, study and reality. Students can also find help for homework and career perspectives

Nobody makes gears faster - prototypes, production runs, variety of materials

Advertise and reach a broad-base audience of gear industry professionals and buyers with Gear Solutions magazine -- the complete online resource for the gear industry. Media kit available at Gear Solutions.

Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 150 billion archived web pages.