Drill Bits

Learn exactly what size drill bit you need for every drilling scenario you encounter.

What Size Drill Bit for a #12 Screw?

Drill bits covered in saw dust and stored on its container

#12 screws are a normal sized screw, so it’s not uncommon to have them in your toolkit. Curious about the best drill bit size to use on a #12 screw? Read on to find out, along with tips for using this sized drill bit. What Size Drill Bit for a #12 Screw? A #12 screw, … Read more

What Size Drill Bit for a #14 Screw?

Drill and a box of screws on a table

#14 screws aren’t your typical standard-size screw. In fact, they are rarely used because of their large size. If you don’t know what size drill bit for a #14 screw is, you definitely should know if you’re into heavy-duty use. What Size Drill Bit for a #14 Screw? To determine the drill bit size for … Read more

What Size Drill Bit for a #24 Screw?

Drill bits stored upright with sawdust in its ridges

#24 screws are one of the largest screws you can use. They’re great for the majority of heavy-duty woodworking projects. If you don’t know what size drill bit for a #24 screw is, you definitely should know if you’re into very small woodcrafts. What Size Drill Bit for a #24 Screw? A #24 screw needs … Read more

What Size Drill Bit for a #11 Screw?

Drill, screws and other woodworking tools on a table

#11 screws aren’t a typical sized screw. This makes them used less frequently because of their uncommon sizing. Standard sizes are much preferred if you don’t know what size drill bit for a #11 screw. What Size Drill Bit for a #11 Screw? If you are using a #11 screw with hardwood, you need a … Read more

What Size Drill Bit for a #20 Screw?

Close up of a stainless drill bit head

#20 screws not a standard-size screw. Because of their big size, they are not used much and have large threads for use in wood. If you are planning to use one though, it’s important to know the drill bit size to use with a #20 screw. What Size Drill Bit for a #20 Screw? A … Read more

What Size Drill Bit for a 4” NPT Tap?

Man wearing black overalls doing a thumbs up while holding a cordless drill

The 4” NPT tap is one of the biggest pipe taps you can use. 4” NPT taps are generally made with carbon steel or high-speed steel. If you want to know what size drill bit a 4” NPT tap is, read further. What Size Drill Bit for a 4” NPT Tap? A 4” NPT Tap … Read more

What Size Drill Bit for a 3-1/2” NPT Tap?

Green and black cordless drill placed in a table

The 3-½” NPT tap is a carbon steel pipe tap mainly used for cleaning or re-threading damaged or jammed pipes. 3-½” is one of the biggest NPT taps around. If you want to know what size drill bit for a 3-½” NPT tap is, we got you covered. What Size Drill Bit for a 3-1/2” … Read more

What Size Drill Bit for a 2-1/2” NPT Tap?

Man holding a green Bosch cordless drill

The 2-½” NPT tap is a common tap mainly used for cleaning or re-threading damaged or jammed pipes. 2-½” NPT taps are generally made of carbon steel and are usually heavier than most taps. If you want to know the size drill bit for a 2-½” NPT tap, read further. What Size Drill Bit for … Read more

What Size Drill Bit for a 1-1/4” NPT Tap?

Man replacing a drill bit in a drill

The 1-¼” NPT tap is a pipe tap mainly used for re-threading damaged or jammed pipe threads. 1-¼” NPT taps are generally made of steel and are usable for both ferrous and non-ferrous materials. To know what size drill bit for a 1-¼” NPT tap is, read further. What Size Drill Bit for a 1-1/4” … Read more

What Size Drill Bit for a 3” NPT Tap?

Various kinds of drill bits lined upright

The 3” NPT tap is a large pipe tap generally used for cutting screw threads in a nut or a hole. 3” NPT taps are usually made of steel and are larger than most taps. To know more about what size drill bit for a 3” NPT tap is, read further. What Size Drill Bit … Read more

What Size Drill Bit for 1/4” NPT Tap?

Man using a drill to fasten screws for a white window

The ¼” NPT tap is a small pipe tap used for cutting internal threads in pipes. ¼” NPT taps are generally made of steel and are usually heavier than most taps If you want to know what size drill bit for a ¼” NPT tap is, read further. What Size Drill Bit for 1/4” NPT … Read more

What Size Drill Bit for a #6 Screw?

Different kinds of drill bits, screws and other woodworking tools are placed on a table

#6 screws are part of the standard screw sizes. They are very versatile and work for most wood working projects. If you don’t know what size drill bit you should use for a #6 screw, you definitely should know if you’re into heavy-duty use. What Size Drill Bit for a #6 Screw? There are two … Read more