020 H7 HSS-E 02/04

Hand reamers made according to DIN 206 B. These are used for finishing holes in a final operation, to get an H7 tolerance on the hole. Before reaming, the holes have to be pre-drilled or CNC milled, in the compatible products tab, we list the correct drill size that is required. Officially this is a hand reamer. We use these in CNC machines also. The only issue is that you cant use hydro or crimp-style holders, because the back of the tool, has a square cross-section, which is required for hand use. This type of HSS reamer can be used for ferrous and non-ferrous metals, and synthetic materials soft and hard. We use them in Aluminum 6060 and 6082 all the time. The slow helix type is suitable...