Made from diamond-coated metal or composite materials, they can through even the hardest of metals. Diamond cutting wheels are the strongest, most durable, and most expensive type of wheel. These wheels are more durable than abrasive ones and can therefore be used on tougher materials, but they are more expensive and tend to create more sparks when used on metal.ģ. Bimetallic cutting wheels are made by bonding two metals, the most common being an aluminum oxide core and a steel outer layer. They’re the most affordable wheel type and can be used to cut several other materials, but they wear down the quickest out of all the wheels and create the most dust and debris.Ģ. Abrasive cutting wheels are the most common for cutting metal and can be made from materials like silicon carbide, aluminum oxide, and zirconia. There are three main types of wheels: abrasive, diamond, and bimetallic.ġ. Grains are the abrasive material cutting, while bonds are the materials holding the grain together. They come in a variety of grains and bonds. The best Dremel bits for cutting metal are disc-shaped and are called cutting wheels. If your bit keeps falling out or won’t fit right, you might need a different collet. Some bits have different shank sizes, so your collet needs to be the right shank size for each bit that you have. It tightens around the bit and secures it in place. All official Dremel-made bits have a unique identification number, so keep an eye out for those when shopping for them.Īll Dremels need a collet, a small metal part that sits beneath the nut at the front of the Dremel. You can make your own Dremel bits with the skill and know-how. The idea of a Dremel tool is that it can accomplish many different things just by changing out the drill bit.
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