HEATKEYS

Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.

GEARS Educational Systems

Engineers Edge - Total Design, Engineering & Manufacturing Resouces

A collection of contraptions and projects that have emerged from my basement workshop. It

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.

Precision Mechanical Components Timing Belts Pulleys Spur Gears Couplings Bearings Sprockets Retaining Rings Brakes Helical Gears Clutches Universal Joints

Micro-Machine Shop

We’re developing open source industrial machines that can be made for a fraction of commercial costs, and sharing our designs online for free. The goal of Open Source Ecology is to create an open source economy – an efficient economy which increa...

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.

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Quick Gear is a tool for calculating internal and external spur and helical gear dimensions. Quick Spline is a powerful program for calculating involute spline and gage dimensions.