https://www.sandvik.coromant.cn/en-us/tools/boring-and-reaming-tools/other-applications-with-boring-tools/corobore-825-sl
CoroBore 825 SL face grooving
Productive face grooving
slfacegrooving
https://www.sandvik.coromant.com/en-gb/tools/boring-and-reaming-tools/corobore-lightweight
CoroBore Lightweight
Large diameter lightweight boring for CoroBore 820 XL, 825 XL and 826 XL
lightweight