ЖК-телевизор Digital DLE-4218 | |||||
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Drilling through concrete what to watch for CSI - Concrete Scanning & Investigation 54 Hooker Blvd, Broadbeach, Gold Coast QLD 4218, Australia 0426 508 755 Items To Watch For When Drilling Through Concrete When drilling holes in concrete, there is no substitute for quality equipment and a sharp masonry drill bit that is also of high quality. If you have an inferior drill with little power, and a dull bit, your holes will not be deep enough, and they will be off-line. If you use quality brand name drills such as DeWalt, Bosch, Black & Decker, or Makita, you will be on the right track. There is no substitute for quality and steady power when you are drilling concrete. You should always read the instruction manual of your drill thoroughly, and get to know your machine. Understand and study where all the controls and knobs are located and what they do. You need to know how to set your machine up and it needs to become second nature. You have to be comfortable with how the drill works with you holding on to it. Be sure and set the depth of your hole-to-be. While some of the machines do have a depth control bar, if it doesn't learn how to set the depth with a pencil mark, or with masking tape. Learn how to hold the drill properly while it is operating. You will need to hold it like a gun, with your index finger in place on the trigger. If the drill has a handle for your other hand, be sure to use it as intended. If the drill does not have an extra handle, place your hand on the back of the housing on the drill while in operation. Before you start to drill, make your mark on the wall with a soft pencil at the point where you are to make the hole. Mark the spot with a dot or a small cross, but don't make the mark too large. Place the tip of the bit on the mark and apply enough pressure to hold it in place, but don't press down too hard. You will get use to the amount needed by practice. Start out slow, and make a shallow hole that will guide the drill. Now start to drill in earnest, using a high speed. If your drill has a hammer function use it occasionally. If you don't have a hammer function, stop every ten seconds and pull back, and start again, letting the bit cool. Keep on the same tack until you reach the desired depth. Drilling through concrete what to watch for CSI - Concrete Scanning & Investigation 54 Hooker Blvd, Broadbeach, Gold Coast QLD 4218, Australia 0426 508 755 Our website; See us on Google + See all our videos on ; Drilling through concrete what to watch for |
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