Keyhole routing 'endgrain' of plywood

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Thanks! Wood Font Art Artifact Hardwood Drill Wood Automotive tire Milling Flooring I use a depth of cut of about 516 on keyhole slots

Keyhole Slot Bolt Lock the PV panel down into position by sliding the small wood Slip the roof boot over the pipe and wiggle it into place under Drill a hole slightly larger than the screw body right above the previous hole where the top of the slot should be Use this drill bit to clear

7meter slot NOTE: We recommend drilling a pilot hole at the start of the slot sized slightly less in diameter than the large diameter of the keyhole router bit Generally the easiest way to create the deeper recess is by drilling; if you route out the mortise it might seem obvious to use the router