Wilson’s quality ISO Spiral Flute Taps, in simple terms, is a tool specifically used to drill internal threads (also known as threads) on materials, which is usually operated by machines. Because the spiral groove on its body resembles a propeller, it is called a spiral tap. This tool is very commonly used in factories.
The design of spiral grooves: This is its "signature skill". This spiral groove, like a conveyor belt, can bring out the iron or copper shavings generated during processing along the spiral direction, so there is no need to worry about the shavings getting stuck in the hole. Especially for some holes that cannot be drilled to the bottom (blind holes), this is particularly suitable. The common spiral angles are 15 degrees and 42 degrees, and the larger the angle, the stronger the chip removal ability.
The national standard the final say: the production of this tap is not random. It must strictly comply with national standards, such as GB/T 3506-2008. This standard is like an "instruction manual" that specifies what the tap should look like, how large it should be, how sturdy it should be, and even what should be written on the packaging. The thread accuracy achieved in this way also has grades, divided into three types: H1, H2, and H3, just like how exam scores vary. If it is used to process special threads on water pipes and air pipes, it must also comply with another standard GB/T 20333-2023 to ensure that everyone can use it universally.
If you come across materials that are particularly difficult to deal with, such as stainless steel or alloy steel, these things can be really difficult to process. In addition, the heat resistance and wear resistance of coated taps can significantly improve their machining life in high-temperature or high-speed processing environments.
If the processing material is ordinary steel or non-ferrous metals and is sensitive to cost, uncoated spiral taps are an economical choice.