Hana SL cartridge mounting hardware question

All,
I don't understand how to tighten slotted nuts on cartridge screws (Hana SL cartridge). They are slotted type and screws stick out way beyond the nut surface. So no way to use flat screwdriver. Are there any special tools that exists for this ?
Please advice.

Thanks
Gurevise
Dayton OH
USA
 

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Not easy. You can get spanners for this sort of nut, but I've never found any that'd fit a nut that small in that tight space. In the past I filed down some brass strip to make a slim U shape.

Alternatively I've used a watchmakers screwdriver as a wedge between nut and cartridge body or just in the slot on one side of the nut while I tighten it via the bolt head.
 
Hi, It's easy, Just use your finger nail to lodge in the slot & tighten screw. They do not need to be that tight. The hardest job with the Shibata SL is to get the SRA of the stylus aligned correctly, good luck with that.

Cheers