Delta adjustable bed level

Adjustable bed levelling for Delta 3D printer
20x20 aluminium profile
need to print 3 set, 30% infill, 0.2mm layer, ASA or PLA or ABS
You need:
- 6 pcs M3 x 20mm bolt
- 6 pcs M3 drop in T-nut

- 3 pcs bed spring
- 3 pcs M3x40mm countersunk bolt
- 6 pcs M3 washer
- 3 pcs M3 nut

You need to drill 3 hole on your aluminium bed.
I dont have the countersunk bolt yet (refer picture)
Enjoy printing.
Thank you