Best automatic center punch: Buying Guide

It’s tiring to drill a hole through a sheet of metal without a starting point. The drill slips away from the drill point and creates holes in the wrong position. Not only that, but it can also injure you when the drill slips away. In the past, it was common to use nails and chisels to create a starting point; however, they do not have the rigidity to mark on hard metal surfaces and have poor accuracy. This is why you need an automatic center punch for your project.

With high-quality materials and marking ability on many different types of surfaces such as metal, wood, etc. the automatic center punch is an extremely useful tool when drilling holes. However, on the market, there are too many automatic center punches for you to choose from. Each product has a different size, price, and quality. So what factors determine automatic center punch is good? We have encountered many consumers who have such questions. Therefore, in this article, we will give you a few points to note and a few important questions when choosing an automatic center punch. Make sure you read to the very end.

I. Points to pay attention when buying an automatic center punch

High precision and consistent automatic center punch is an important task. A tool is only maximized when you have the right choice for your project only. In addition, it also saves working time and prevents accidents from happening. Here are a few factors that you should consider:

1. Understanding the parts

The first thing we want you to prepare for is understanding the automatic center punch parts before making a purchase. These factors play an important role in the marking process.

An automatic center punch set usually includes 10 parts: 2 springs, 1 hammer, and 1 punch. In which, springs and punch bits are the two most important parts; they determine the strength and the ability to act on the surface. Each different brand will have designs with different parts. Therefore, having a clear understanding of the products will make it easier for you to choose.

2. Based on the purpose of use

Each automatic center punch is manufactured to fulfill many different purposes. Depending on the purpose of use, it has different parts. Typically, they are used to make markers on soft metal, hard metal, on hinge screws and wood. In addition, automatic center punch is also used for emergency purposes such as breaking car glass or windows in case of an accident. Therefore, you should bring one with you in case of bad situations.

Only by choosing the right automatic center punch, can you sing its full effects and avoid possible mishaps.

3. Choose the right material

The material determines the product’s lifespan and performance. Tools made from high-quality, durable materials will have a longer lifespan, even with frequent work. A good automatic center punch is usually made of hard steel, tempered steel, high carbon steel, S2 steel, and alloy steel.

Each material is suitable for a specific surface. For example hardened steel used to drill hard, super hard surfaces; tempered steel for jewelry parts; high carbon steel for hinge screws; S2 steel for wood and alloy steel for window breaking.

4. Size

When choosing an automatic center punch, don’t forget to pay attention to the bit size. The standard model measures 5 inches long and ½ inches wide. However, many new designs nowadays allow varying actuation force, so users can easily compare their performance.

Therefore, you should know the size of the product before you buy it. This is of great importance, especially when used for fine jewelry. The ideal size is 4 inches long.

5. Replaceable bit 

With frequent use, your drill may lose its original sharpness. This affects the drilling of the machine. Therefore, we recommend that you choose the replaceable or grinding bits. If not, you will have to replace a new automatic center punch. 

6. Price

Different brands sell with different designs and prices. Usually, an automatic center punch costs between $ 20 and $ 50, depending on the quality of the tool. The $ 20 models are suitable for soft metals and are considered as input tools. While the $ 50 models are of higher quality, they are capable of drilling even hard metal like stainless steel. However, we also understand that everyone’s budgets vary, so you should carefully research the price and specific purpose for the best option.

II. Frequently asked questions

1. What is the difference between automatic and manual center punching?

The manual center punch creates a writing mark on the target material by striking the hammer on the knob. While automatic center punch uses spring tension.

2. Can I sharpen the top of automatic center punch?

YES. If the center tip is dull, you can sharpen it easily. It requires sharpness at all times so as not to compromise accuracy in use. Alternatively, you can also replace it with a new spatula nose.

3. How to use automatic center punch effectively?

To maintain the performance of the automatic center punch, you should: Regularly lubricate the internal mechanics.

  • Always clean the awl after each use.
  • Sharpen the nose of the blunt stick after use.
  • Replace the tip if necessary.
  • Store in a dry environment.

In short 

The automatic center punch is a useful tool that every toolbox should have. There are many products out there for you to choose from. However, carefully consider the information on the article to get the most accurate choice. We hope that this article will be helpful to you. Thanks for watching it. 

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