When starting out it is useful to have a good selection of burs to play with and then over time you will start to get the feel of what personal preferences you have. You can buy them in sets or purchase them individually. When purchasing individually, you can buy single ones or any number you like. Usually there will be a discounted price for a packet of 6. I am referring mostly to purchasing from a Jewellery tools supplier, rather than the local hardware store. The local hardware store will usually only sell sets and will have limited range. You can order online from a Jewellery tools supplier however I think it is helpful to physically go in the first time to eyeball the sizes. This helps so you have a reference point for future orders too. Even now I still order the wrong size time to time!
You can get Tungsten steel, which is more expensive but lasts longer, or your basic tool steel drill. I mostly use the latter but for fine detailing I do like a good Tungsten steel bur.
I will focus on the standard sized shank to fit quick release hand piece tools which is 2.35mm. I think that you will also be able to apply the same information to the 3.2mm burs however as I do not use that size, I cannot comment on the range of sizes and shapes available.
The following burs are the main ones I use all the time. (Although I do use others for specialised work) …Read More