imbus screws for ball bearings mounting
M3x8 screw is recommended for, among others profile router bits FT508-0008-0001, FT508-0008-0002, FT508-0008-0003, FT508-0008-0004, FT508-0008-0005, FT508-0012-0001, FT508-0012-0002
high quality screw accessories / standards for mounting ball bearings in shank cutters from the FT group