Cam Lock

First you must get the piece of wood ready by marking a line on the wood against the edge of the bottom block and marking the drill position.
Do this using a square to ensure a good line is drawn. Next clamp the wood to the drill machine after setting the drill up with a 5mm drill bit. Using the chuck. Remove the chuck before drilling

Next make sure the drill will go down exactly where it needs to go and how low it needs to go. This can be done by changing the height of the drill and moving the block around.

Once you've finished drilling the hole, insert the cam by screwing it in tight.

Then do the drilling procedure on the top of the top piece but the drill bit size should be 7mm

Then test to see if it fits.

Finally use a forstner drill bit to drill the 15mm camlock hole. Once done, insert the cam lock and test