Performance of Hss Drill Bit Supplier HSS Cobalt Drill Bit Supplier’s HSS Titanium Nitride (TiN) Coated Drill Bits – Designed for Longer Service Life Recommended for: Professionals or DIY enthusiasts often use, they are looking for a more durable metal drill bit that will not damage the bank. Suitable for: low carbon steel, iron, copper, magnesium, wood and plastic (not recommended for aluminum) It has a ceramic thermal coating designed to reduce friction (thus reducing heat), which means that the sharpness of the drill bit can be 6 times longer than that of a normal HSS drill bit Compared with uncoated drill bits, it can run faster (40-60%) and harder (feed rate increased by 10-20%) If used carefully, it can (occasionally) be used on some harder metals Can be used for metal cutting machine tools (column or bench drills, CNC machine tools, lathes, etc.) Cost-effective and will outperform standard HSS bits over their lifetime Cannot sharpen without removing the TiN coating It is best not to use these with aluminum, because the coating sometimes ends up being welded to the metal For more product related information, please click: cutting tools wholesale our website:https://www.jeejatools.com/ our website:https://www.jeejatools.com/product/drill-bits/hss-drill-bit/