Phono cartridge torque wrench

Do not overly tight ! Especially if you have cartridge body with treated holes, you can damage it forever. Use ONLY small tool provided with cartridge. Use plastic washer under the screw.

lube the threads

What? Mounted over 100 different cartridges over the years, no lube. None magnetic screws, plactic washers, small screw provided by cartridge manufacturer (always manually).

when I lube the bearing.

Not every bearings must be lubricated.

Reading about lubrications some newbies on this forum can be confused, it’s not necessary to lubricate every moving parts in turntable!