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The main differences between a spade bit and a hole saw are speed, precision, and versatility. By understanding these differences, you’ll be able to make an informed decision about which tool is best for your project.
If you found yourself here, you likely know that Forstner bits, spade bits, and hole saws are all tools designed to drill “big holes.” But, you’re also likely struggling to figure out which of the tools is ideal for which application – and which of them you should choose for your job.
Hole saws require more torque than spade bits, so the shaft has to be thicker to avoid damage. You’ll need a 1/2″ drill for most hole saw systems. A hole saw works by shredding away just the circumference of the hole rather than chewing out the entire hole like a spade bit or Forstner bit.
Spade bits are mostly ideal for woodworking, while hole saws are used more frequently for woodworking and metal cutting. These are just the highlights of this battle. Let’s dig a little bit deeper and find out which of the two offers a better drilling performance.
Spade bits are the smallest of the three hole cutting tools; they generally come in a range of ⅜ an inch and 1 ½ inches. Forstners are a bit larger; their range is from ¼ an inch to 2 ¼ inches. The cutting diameter of a carbide burr ranges from 3/32” to 1” and only up to about 1” in cutting depth.
This is a comparison review between a spade drill bit and a hole saw. Understanding the difference between these two top hole-making tools will help you find the ideal power tool for your needs. The spade drill bit is a drill bit with a tip that’s shaped like a spade.
If you want to drill multiple holes in less time, choose a spade drill bit. On the other hand, If you want to drill perfect clean and smooth holes, choose a hole saw. They are well known in woodworking industries as the hole saw bit for wood for making precise holes.
Unless you're concerned about the quality of the hole, spade bits are the perfect woodworking drill bit. To get the right flat bottom hole, choose a Forstner bit. The Forstner bit is ideal for making clean and smooth holes. Whereas, to drill large diameter holes, choose a hole saw.
September 5, 2021 by Dan Miller. The similarity between auger bits, spade bits, and hole saws is pretty obvious; they are used for drilling holes. However, I do know for a fact that a lot of people tend to confuse the specific applications of each. Jump to: Comparison Table.
Forstner bits are typically available in diameters ranging from 1/4-inch to 2-1/4-inch. Spade bits are often available in diameters ranging from 1/4 inch to 1-1/2 inch. Finally, hole saws, which have a diameter of 1 to 6 inches, are suitable for making huge holes.