eMachineShop offers a wide variety of materials for your custom parts: aluminum, steel, stainless steel, copper, sheet metal, brass, bronze, nylon, aetal, polycarbonate, polystyrene, acrylic, plastic, fiber glass and many more materials. Download the software for the complete list. You can also request special materials.
Material Selection Tips
Deciding on the best material for your part can be a challenge.
Generally it is best to first decide on the main factors. For
example, if price and hardness are most important, select the material that has
the best combination of those two values.
Click on a material in the sidebar for more information about a specific material - the material pages give typical uses of the material, properties, etc.
Here are a few tips:
Metals allow for parts of
higher tolerance than plastics.
Plastics can warp slightly over time due
to moisture absorption.
custom parts with sheetmetal is generally lower cost than machining plate or rod.
Sheetmetal parts can be formed into
numerous shapes and can take simple or complex bends.
By volume, plastics are usually much less expensive than metals.
Materials that don't need finishing may be more economical for short runs (e.g. stainless steel, aluminum, plastics, etc.)
"To whom it may concern, I just received my initial order (test run for one prototype) of 55 pieces. The machining is excellent, the parts are absolutely perfect. They fit together exactly as I had planed and designed. The machining stayed well within the tolerances allowed, and the parts turned out just as I had hoped. I have already assembled ..."