Thanks Rick, went with 100mm. The diamond bit for the tile worked well.
Getting it level was surprising difficult.
So this is my first pier fixed down. Next job is drilling and tapping a whole for the Azimuth pin. Research indicates its m10 1.25, that needs an 8.6mm drill bit. Any thoughts on those HSS drill and tap bits on eBay?
The mount doesn’t quite sit flush or level. The machining isn’t great, but the steel shop guy was very nice and didn’t charge me much.
Any suggestions on the best way to fix the mount? The Centre whole is 32mm to allow the mount to sit. Bolting down with a m12 bolt and washer seems insecure and the mount easily turns. I’m thinking I might just get an adapter plate.
Cheers
Hemi
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