Once you have all the tools you need to start drilling, including the pilot hole (where required), it's time to get started. The pilot hole is essential for deep drills to ensure the stability of the drill bit and accuracy. One of the best ways to keep the tools from deflecting on contact is by using a pilot hole. When working with metals, deflection is a real challenge, especially for a metal with a high tensile strength like stainless steel. You will also need coolant for heat management, both on the metal surface as well as the drill bits and some tools for chip evacuation. With the intense pressure and heat involved in the process, it's easy for the drill bits to snap. But before you get started, it's crucial to observe the correct safety measures, including eyewear. With the right drill bits, an average metal work drill should get the job done. Using cobalt as an alloy increases the strength of the parent metal and boosts its heat resistance properties, both of which are vital when drilling stainless steel. The best HSS drill bits to use for this application are those with a Titanium Nitride tip to help reduce friction and heat.Ĭobalt drill bits – Cobalt drill bits are designed to work on high tensile and heavy-duty performance metals. High-Speed steel drill bits – This type of bits are specifically designed for drilling stainless steel. Although there are different types of reamers and drill bits that are suitable for drilling stainless steel, going for the best will improve your chances of getting good results and ease the process. Your best chance at successfully drilling stainless steel lies with choosing the right drill bits.
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