Awl and Center Punch Continued -
The awl is generally designed to have flat sides on its handle which makes it difficult if not impossible for the tool to roll away while sitting on a workspace. You should never hit an awl with a mallet or a hammer. Hand pressure is more than sufficient to make the awl do what it is designed to do, which is to create a starter hole in a softer surface such as wood or plastic. Awls are used for a number of other purposes as well, including as reamers to create larger holes in certain materials.
The purpose of the center punch is to locate a center point for the purpose of drilling. It is most commonly used on metal components and work pieces. The sharp point of the center punch is placed wherever the desired location is, and then the punch is struck using a mallet or a ball peen hammer. A raised area is produced around the center, which means that when you go to drill a hole there, the drill is not going to wander away.
The center punch is a useful tool when dealing with metal, because the drill does not always go in initially. If you go to drill a hole and the rotation of the drill causes it to shift from position, you could end up with a hole in your metal component that is crooked, or not where it is supposed to be. As a result, the center punch has become a vital tool because it allows for a spot to be created for the drill to sit, and then drill is prevented from wandering away while the hole is created in the spot. This is a rather ingenious tool when you consider how simple it is.
Maintaining your center punch is not a difficult proposition. A high quality center punch is going to be created out of tool steel, which means that it is generally designed to be resistant to rust, wear and must types of damage. Center punches are capable of marking most types of metal, though obviously would not have as much of an effect on other forms of tool steel.
When using measuring or marking tools, it is vital that you choose the proper tool for the job. If you choose the wrong tool or use it improperly, you could hurt yourself, cause damage to the tool you are using or you could potentially cause damage to the work piece that you are currently working on. Make sure that the tools you use are the indicated tools for the job that you are trying to do, and never try to force a tool to do anything that it was not intended to be capable of doing.
Photo Credits: Mr. Greenjeans
Originally posted 2009-08-21 03:46:38. Republished by Blog Post Promoter
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