Drill Bits

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

What Size Drill Bit for a 5/16-18 Tap?

Different sizes of drill bits hung on a hardware store shelf

5/16- 18 taps require pilot holes before you install them. Hence, it’s important to know what size drill bit a 5/16- 18 tap should be. If you use the wrong size, it might lead to dents and splits on the material. What Size Drill Bit for a 5/16-18 Tap? A 5/16- 18 tap needs a … Read more

What Size Drill Bit for a 9/16-12 Tap?

Four drill bits with product tags

A 9/16-12 tap is rarely used since they are mostly for re-threading and cleaning. Hence, it’s no wonder you’re here checking what size drill bit for a 9/16- 12 tap. If you want to know more about the sizing, read further. What Size Drill Bit for a 9/16-12 Tap? A 9/16- 12 tap requires a … Read more

What Size Drill Bit for a 7/16-14 Tap?

Drill bits stored in labeled containers

7/16- 14 taps are carbon steel tapers generally used for re-threading or cleaning up threads. You can use it by hand or tapping under power. Read further if you want to know the size drill bit for a 7/16- 14 tap. What Size Drill Bit for a 7/16-14 Tap? A 7/16- 14 tap would need … Read more

What Size Drill Bit for a 5/8″ Tap?

Stainless drill bit

⅝” taps are commonly used for cutting oil when cutting threads in metal. If you want to know what size drill bit for a ⅝” tap is, continue reading. This article will help you with the proper sizing and know more about the ⅝” tap.  What Size Drill Bit for a 5/8″ Tap? A ⅝” … Read more

What Size Drill Bit for a #3 Screw

Cordless drill with a box of screws beside it

If it’s your first time dealing with screws, it might be confusing as there are different types of them. You’re probably here looking for answers on what size drill bit for a #3 screw is. #3 screws also have a variety of configurations, and we’ll provide every drill bit size for them. What Size Drill … Read more

What Size Drill Bit for a 3/8” Bolt?

Drill with an attached drill bit

⅜” bolts are commonly used for machinery and construction projects. It can be used in two ways fully threaded and partially threaded which relates to sizing. If you want to know what size drill bit for a ⅜” bolt is, read further. What Size Drill Bit for a 3/8” Bolt? A ⅜” bolt needs a … Read more

What Size Drill Bit for a 3/4” NPT Tap?

Man using a drill to fasten a screw in a wooden panel

The ¾”  NPT tap is a common tap mainly used to cut pipes’ internal threads.¾” 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 ¾” NPT tap is, read further. What Size Drill Bit for a 3/4” NPT Tap? … Read more

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

Drill bits, screws, protractor, and measuring tape placed on top of a table

The ½” NPT tap is a common tap mainly used to cut pipes’ internal threads. ½” 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 ½” NPT tap is, read further. What Size Drill Bit for a 1/2” NPT … Read more

What Size Drill Bit for a 7/8-9 Tap?

Various sizes and kinds of drill bits placed upright

When it comes to re-threading damaged or jammed threads, ⅞- 9 taps are usually present and commonly used. If you don’t know what size drill bit for a ⅞- 9 tap is, continue reading. Although it’s usually shown in the packaging it comes with. If you want to make sure about the sizing, continue reading. … Read more

What Size Drill Bit for an 8-32 Tap?

Man holding a cordless drill while working on a DIY project

8-32 taps are common taps used for threading metals for screws and bolts. Before doing so, you must identify what size drill bit an 8-32 tap should be. You should know that the sizing of this one is only in inch-decimals and not in fractions. What Size Drill Bit for an 8-32 Tap? An 8-32 … Read more

What Size Drill Bit for a 5-40 Tap?

Different kinds of drill bits placed upright

5-40 taps are often used for many things related to tapping. If you don’t know what size drill bit for a 5-40 tap should be, you’re probably doing a bad job at re-threading. You should know the proper drill bit size for it to work effectively. What Size Drill Bit for a 5-40 Tap? A … Read more

What Size Drill Bit for a 2-56 Tap?

Drill bits placed on slots in a wooden organizer alongside other carpentry tools

2-56 taps are hand taps that are commonly used for general purposes. They’re mainly used for tapping steel, aluminum, zinc, and other ductile materials. If you want to know what size drill bit for a 2-56 tap is, read further down below. What Size Drill Bit for a 2-56 Tap? A 2-56 tap has a … Read more