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What type of drill bit should I use for cutting a large hole for a new door lock?

For larger holes use a hole saw. They range in size from about 1 inch to 4 inches. They have a pilot bit and a saw-toothed circular...

 

I’m drilling in some wood, where I will probably hit some hidden nails. What bit should I use?

A spade bit is a good choice, because they are relatively inexpensive and you can resharpen them with a...

 

I need to drill a 1-inch hole in a piece of wood. What bit do I need?

For drilling medium sized holes in wood, a spade bit is a good choice. Common sizes range from ¼ inch to 1 ½ inch. They can also be used on...

 

What drill bits do you recommend for general use?

For drilling smaller holes in a variety of materials, choose a high-speed steel twist bit. These can drill holes from about 1/16 inch to ½...

 

If I buy a cordless drill, what volt-model should I buy?

A 12-volt model will handle the needs of most D-I-Yers. For bigger projects a 14-volt or higher model are a good choice. For lighter duty, a...

 

What type of drill do you recommend for do-it-yourself projects?

Most consumers use a 3/8-inch model that reverses, has variable speed and has a keyless chuck. You should get one that draws at least 3.5...

 

What are some attachments besides drill bits I can use on my drill press?

You can use rotary rasps, sanding attachments and even a rotary planer for small...

 

How does the number on the shank of a drill bit relate to its size?

Bit diameters are usually marked by a single number—the numerator of a fraction. For example, an auger bit, which is marked by 16ths of an inch,...

 
 
 


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