How can i drill my patio furniture in a concrete patio .?
I had my patio furniture stolen last year and i have purchased a new set that i would live to drill into my patio .
Answer by Dr. Spark
Use a roto-hammer and masonry bit. 1/4" with washers should be fine. Use plastic insert anchors, they are easier to remove and patch in future. Roto hammers and bits can be rented, or can be purchased. Advise to get a multi functional drill that you can use for others projects. The DeWalt, Riobi, and Craftsman 1/2" drill combo's sets or alone will have a "hammer" function and can be used for almost any job. I don't think the 3/8" drills have the hammer function because it requires hi rpm's to bore smooth holes which 3/8" lack. Also try not to use the hammer function overly because it will take its toll on the tool's life. If you have a project requiring a lot of drilling into masonry then a "roto-hammer" is built and meant for this use. I hope this helps.
P.S. I was thinking about this question and have an idea. If you anchor the furniture you wont be able to move around to adjust to your surroundings. If you ran one anchor, in this case a more permanent anchor than the plastic inserts will me advised, A "drop in" style anchor is recommended, for a 1/4" application the anchors require a 3/8" hole. The anchors drop in to the hole and using a driver like an old philips screwdriver, a couple good smacks in the center drive a wedge to separate the anchor in the hole. It is like inserting a nut into the cement, it will be flush as not to be a tripping hazard when not in use,. Then you will screw in a 1/4" eyelet and run a cable through it and your furniture to secure. This way they can adjust and if needed the eyelets removed for social functions and reused to secure furniture after. If I where faced with this I would use this method because of the versatility and clean look.
I just read the below answer and must disagree with the idea of a regular drill usage. The hammer does just that as it rotates its function will also vibrate the bit as to break up the cement in its path. The head of the bit is designed to compliment this action, the rotation and bits spiral design will extract displacing the busted particles out of the hole. When a non-hammer action is used it relies completely on the bits to cut through the material. Mason bits are not cutting type bits and will get very very hot. I have seen them melt the tips completely off in a red molten drop. It will also not favor the motor of a non-hammer drill because of the amount of drilling needed just to bore one hole. I usually don't post when I disagree with an answer but I thought this might warrant it. Sorry to answerer below.
What do you think? Answer below!