How to fix a twin shelving system into wall?

What length of screw should I use to attach a shelf to a wall stud? what size screws for twin slot shelving screws D and fix the upright to the wall through every available fixing point 4 5 6 Check that all brackets B are level and centrally position the shelf C what is rng in slot machines The twin slot shelving bracket is spur compatible and designed to easily connect into shelving uprights The bracket requires no screws or fixings The 'Slot

what does a m2 slot look like Low cost versatile shelving system clothing system · Manufactured in steel · Pre drilled holes for easy wall fixing · 32mm Pitch · Sold in