These are not your average automotive-grade reamers. They are fabricated withhigh quality M2 tool steeland hardened to an average of 61 RHC to ensure long life. These reamers are10" long with a 2" pilot. They are precision cut for aviation use. HSS is highly recommended for softer metals such as brass, bronze and aluminum alloys.
*** If you have any questions about which reamer you need for your application, or have custom reamer needs, please contact us. ***
Maximum recommended speed 250 rpm with proper coolant.