Which Is Better TCT or HSS Annular Cutter?
Annular cutters are commonly used for drilling large diameter holes in steel and other metals. Two popular types of annular cutters are Tungsten Carbide Tipped (TCT) and High Speed Steel (HSS) cutters. Both have their unique features and benefits, and choosing the best one depends on the specific application and requirements. In this article, we will compare TCT and HSS annular cutters and help you choose the better option for your drilling needs.
Tungsten Carbide Tipped (TCT) Annular Cutters
TCT annular cutters are made with a steel body and a tungsten carbide insert, which is brazed onto the cutting edges. The tungsten carbide insert provides the cutter with excellent hardness and durability, making it ideal for drilling through hard materials like steel, stainless steel, and cast iron. TCT cutters are also known for their superior cutting speed and accuracy, which reduces the need for secondary operations like reaming or deburring.
One of the major advantages of TCT annular cutters is their longevity. They can last up to 10 times longer than HSS cutters, which makes them a cost-effective option for high volume drilling operations. Additionally, the carbide insert provides greater resistance to heat and wear, which makes TCT cutters less prone to breakage or chipping.
Another benefit of TCT annular cutters is their ability to maintain a consistent diameter while drilling. The tungsten carbide insert provides a sharp cutting edge, which ensures that the hole diameter remains constant throughout the drilling process. This results in a more accurate and uniform hole, which is essential for precision machining operations.
However, TCT annular cutters have some limitations as well. They are more brittle than HSS cutters, which means that they are more prone to breaking if they encounter a hard spot or a defect in the material being drilled. Also, TCT cutters are more expensive than HSS cutters, which can be a drawback for smaller operations or those with limited budgets.
High Speed Steel (HSS) Annular Cutters
HSS annular cutters are made from a high-speed steel alloy, which provides good hardness and durability for drilling through a variety of materials. HSS cutters are suitable for drilling through materials like steel, aluminum, brass, and plastic, making them a versatile option for many applications. HSS cutters are also more flexible than TCT cutters, which makes them less prone to breaking or chipping.
One of the main benefits of HSS annular cutters is their lower cost. They are significantly cheaper than TCT cutters, which makes them a great option for smaller operations or those with limited budgets. Additionally, HSS cutters are more forgiving than TCT cutters, which means that they are less likely to break or chip if they encounter a hard spot or a defect in the material being drilled.
Another advantage of HSS annular cutters is their flexibility. They can be used with a wide range of drilling machines and can drill through a variety of materials, making them a versatile option for many applications. Additionally, HSS cutters are easier to resharpen than TCT cutters, which can extend their life and reduce costs over time.
However, HSS annular cutters have some limitations as well. They have a shorter lifespan than TCT cutters and require more frequent resharpening to maintain their cutting performance. Also, HSS cutters can be slower than TCT cutters and may require more force to drill through hard materials.
Choose With Confidence With GSR
Whether you’re considering the traditional HSS or longer-lasting TCT cutters, you will want the best option available to ensure a job well done. GSR offers the dependable solutions you need with our range of exceptional quality cutters and tools.
Still not sure which cutter fits your project needs? Check out our handy Cutter Guide for more information, or contact us today and an expert member of our team will be happy to help you find the perfect solution.