Cordless drill is one of the most popular hand tools since the invention of screwdriver. It's not limited to the simple task of driving screws. It can also дешевый Борфрезы holes in wood and metal and drive fasteners such as bolts and nuts. To do those tasks it needs some drill bits and driver bits. With these accessories the cordless drill becomes a highly versatile tool. Here's a closer look at the bit sets.
1. Drill Bit Set
The drill bit technology goes back a long way and there are now probably more than 10 different kinds - twist, spade, auger, Forster, masonry...
The twist bits are the most common type and usually come in a set that ranges from a tiny one with a diameter of 1/16 of an inch to a huge one that's 1/2 an inch in diameter. The smaller bits are used to drill pilot holes so that driving screws in is easier and more accurately positioned. The larger bits are to make holes for insertion of bolts or for Метчики that are often used in building chairs and tables by some furniture factories.
If you use drill bit to drill not only wood but also hard material like aluminum, brass, or plastic laminate, then you should use bits that are coated with special alloy. Carbide-tipped or titanium-coated or diamond-tipped are all good choices. They provide extra hardness to the bit so they stay sharp longer.
2. Socket Bit Set
The adjustable wrench that fastens bolts and nuts is not used often nowadays. It is replaced by the socket wrench. The cordless drill can work like an electric socket wrench with the use of a bit adapter. This bit adapter is hexagonal at one end to go into the cordless drill and square at the other end to couple directly with a socket bit. The speed of which the cordless drill can fasten a bolt, using a socket bit, is almost comical. It makes any assembly job that uses bolt fun to do.
The socket bits have either a 1/4" or a 1/2" square opening to couple with the adapter. To be able to use all the socket bits, you should get a socket bit set that has bit-adapters that work with both sizes.
