Annular Cutter – The Ultimate FAQ Guide

If you’re already tired of seeing the same types and kinds of annular cutters, then you’re just in the right place at the right time! Today, we’ll not only help you understand annular cutters more, we will also give aid and assistance to you in terms of choosing which manufacturer is best to go with!

By the end of this guide, you’ll have a better sense of where to purchase annular cutters wholesale!

What Does an Annular Cutter Do?

An annular cutter is a special type of cutting tool that you can use to drill or bore a hole.

You use it if the workpiece you’ll be working on is tough. Moreover, you can also use it if you’re looking to produce holes that are burr-free and to create holes that don’t require pre-drilling.

Can You Use Annular Cutters in a Drill Press?

Yes you can use annular cutter drill bits in a drill press or any other type of magnetic drill.

However, you need to ensure that the workpiece would be stable because annular cutters wouldn’t tolerate movement while drilling.

If a workpiece moves while the cutting process, you might end up with a bad-quality cut.

How Do You Use Annular Cutters?

You can use annular cutters easily; it’s just like using a regular twist drill bit, but with better performance and a larger hole.

Here are the steps on how you can appropriately utilize annular cutter drill bits:

1. Make sure that you select the correct type of annular cutter for the workpiece or material
2. For the cutter length, you need to ensure that you choose the most appropriate ejector pin (you can use the cutter length for this measurement)
3. Insert the pin inside the annular cutter; then insert the annular cutter to the keyless arbor
4. With the help of the pilot pin, move and angle the annular cutter to where you’ll be drilling the hole. Touch the tip of the pilot pin on the mark or the location of the drilling
5. Before drilling, toggle the magnet switch and ensure that the magnet indicator turns green
6. Lubricants aren’t necessary, but can actually help out a lot in terms of procedure. But, if you’re using a press drill, never use it without a lubricant.
7. Set the most appropriate RPM for the machine
8. Activate the coolant tank
9. Start drilling at a moderate speed. Avoid crashing the cutter so that the annular cutter’s physicality is restored.
10. Check if the lubricant is being released and avoid putting too much pressure on the handle – it will break and damage the annular cutter

NOTES: Never use an annular cutter without an ejector pin. If you are to drill upwards of 50 mm thickness, use external lubrication to aid the internal lubrication.

1-Inch Annular Cutters, 2-Inch Annular Cutters, or 3-Inch Annular Cutters?

These three (3) are the most customary types of annular cutters in the industry. You can actually go higher than that if the situation deems necessary.

In essence, the inch measurement is the cutting depth and capacity of an annular cutter. If you think about it, that’s what it really means.

For instance, if you purchase a 3-inch annular cutter, you’ll be able to cut through 3 inches deep (because that’s the length of the cutter).

Therefore, in selecting 1-inch, 2-inch, or 3-inch annular cutters, it’s best to go with a cutter that’s fit to whatever you’re working on.

To choose, carefully consider the workpiece, the material, and the type of cut you plan on having. Then, what you need to do is to make sure that you’ll get the measurement that’s more than what your plans are. This is to ensure that you have enough space to pursue the project.

Twist Drilling vs. Annular Cutting: What Are the Differences?

Many people say that twist drilling is the same with annular cutting – it’s just that the latter produces a larger-diameter hole than the regular and the traditional twist drill bits.

But, a lot of people think of it wrongly. In fact, here are some of the differences involved:

Twist drilling is the procedure of creating holes using a metal drill bit. It’s the most recognized procedure of cutting or slicing a hole. But, twist drills only have two (2) cutting edges and it requires more time.

Annular cutting, on the other hand, is the cutting of metal using a hollow-core bit with an ejector pin. It’s used to instantly create holes that are up to 5” in diameter. Due to the multiple cutting edges, it cuts faster and more urgently than twist drill bits.

Hole Type and Size

If the holes you need are only up to ½” in diameter, using twist drill bits would be the best. But, if you are to produce holes larger than ½”, using annular cutters would be the most ideal. Moreover, twist drill bits are perfect for blind holes, while overlapping holes are best done using annular cutters.

Location of the Hole

Annular cutters can cut through different locations where twist drills would find impossible to drill. Twist drill bits are flexible, but it wouldn’t cover 100% of the shaped and dimensional workpiece.

Power and Torque

In comparison to twist drill bits, annular cutter drill bits require less power and torque to cut through or work with different materials.

Because of its design, it’s able to slice through and work with metal, cobalt, copper, aluminum, and other types of materials easily and with less effort.

This paints the picture of why you only need moderate pressure whenever working with annular cutters.

Those are the things you need to consider when choosing between using twist drilling and annular cutting. But, of course, it will depend on the type of project you have and the budget.

Since annular cutters are frequently more expensive than twist drill bits, you would also want to consider how much you’re willing to pay for your tools.

Can You Sharpen Annular Cutters?

Yes, more often than not, annular cutters are re-sharpened instead of just being replaced fully.

Due to the multiple cutting edges annular cutter bits have, all of it aren’t utilized at the same rate, therefore, when sharpening, you just need to sharpen the most-used cutting edges.

Compared to twist drills, annular cutters will last longer and would be more efficient even if you sharpen it multiple times!

What Are Annular Cutter Sets?

Akin to regular twist drill bits and other types of drill bits, you can also purchase annular cutters in sets.

This is to help and to assist you in terms of size selection. By giving you annular cutter bit sets, you wouldn’t have problems and/or troubles in choosing the size you need!

What Causes Annular Cutter Bits to Break?

There actually are a couple of reasons why annular cutter bits break or become damaged.

Some of the most common include, but are not limited to:

• Slow and fast feed rate
• Too much pressure on the handle when starting
• Leaving fragments and debris on the flutes after cutting
• Incorrect material or type of annular cutter bit
• Unstable or moving material or workpiece

Taking care of your annular cutters isn’t actually hard; you just have to make sure that you’re using the correct type and kind of cutter for the workpiece. Moreover, store them properly and make sure to clean or wipe it off with a clean cloth every after usage.

Who Are the Best Annular Cutter Drill Bit Manufacturers?

The market is filled with many world-renowned annular cutter suppliers and wholesalers; and the best ones that you probably know of include:

• DeWALT
• Milwaukee
• Makita
• Bosch
• Hitachi
• IRWIN
• 3M
• Stanley Black & Decker
• Techtronic

These are the well-known and the most famous brands when it comes to annular cutters and other power tools.

You can work with them and consider them as your top choice for the annular cutters you need!

Can You Use Annular Cutter Bits on a Mag Drill?

Mag drills, short for magnetic drills, are actually the primary type of machines where you use annular cutters.

However, you can also use annular cutter bits with different machines such as a large drill press, mills, and compatible power drills.

NOTE: It’s easily compatible with many different types and kinds of drills. You just have to ensure that you lubricate it well and efficiently for better and higher quality results.

Do You Need Coolants in Using Annular Cutter Bits?

Yes, you need coolants whenever you’re going to use annular cutter bits. Although it’s not something “required,” it can shave off a ton of effort and negativity in cutting.

In addition to that, coolants can actually be a ton of help and can enable your cutting to be more efficient and more effective.

NOTE: Coolants aren’t the only type of lubricant you can use – you can use other forms of lubricant, too for both internal and external!

What Are Annular Cutters Made Of?

Different manufacturers make and manufacture annular cutters in many different materials. However, the most common would be high-speed steel or HSS, or tungsten carbide tipped or TCT.

These two (2) are the primary materials used by manufacturers in creating or in producing annular cutter bits.

Can Chinese Annular Cutter Manufacturers be Trusted?

Yes, in fact, many companies and manufacturers in Europe and in the Americas go to Chinese annular cutter manufacturers.

The reason for that is because Chinese annular manufacturers are able to source the best and the highest quality of materials at the best prices.

That basically means that you’ll be able to have high quality annular cutters produced and manufactured in the cheapest and the most cost-effective ways!

Many businesses like to think that Chinese manufacturers are no good. But, in reality, they’re actually the best. It’s not true that Chinese suppliers only produce low quality cutters; and it’s also not true that all Chinese products are fake and counterfeit.

Which Chinese Annular Cutter Bit Manufacturer Should You Trust?

China is home to a ton of reliable annular cutter drill bit manufacturers. Wherever you look, all companies and manufacturers are competitive.

However, if you’re looking for nothing but the best and the most reliable, then it’s surely with us here at Tenyu Tools Co., Ltd.

For more than a decade, we’ve amassed more than 990 clients in various parts and regions of the world. We have clients from Australia – down to manufacturing companies in Africa.

They continually trust us to provide high quality annular cutters and other power tools and accessories they need!

From choosing any of our pre-made annular cutters, to producing or manufacturing custom annular cutters, we’re the best and the most adept Chinese annular manufacturer to work with!

Is Tenyu Tools Co., Ltd. a Great Choice For Annular Cutters?

Saying that Tenyu Tools Co., Ltd. is a great choice for annular cutters is an understatement. As a matter of fact, we’re deemed to be the manufacturer that has the best people, the best procedures, and the most reliable sources for materials and goods.

Wherever you are, we’re sure that we’ll help you.

You need a free quote or a free estimate? We got you! Need help and assistance when it comes to delivery and freight? We’re just a call away!

Being ISO-certified, you’ll never have a slither of doubt in terms of the effectiveness and the overall efficiency of our services!

Tenyu Tools’ Deliver Time

Compared to other annular cutter manufacturers, you can actually get all of your orders in less than a month’s time!

In fact, once we’re able to finalize the design and the type of annular cutter you need, you can expect it to arrive within 2 to 3 weeks!

No ifs and buts – you will get it swiftly and urgently! With a Minimum Order Quantity (MoQ) of just 100 pieces, you can therefore consider us your retail or your wholesale manufacturer of annular cutter bits!

Contact us and experience getting the best and the highest quality of annular cutter drill bits!