All drills can be used for cutting metal, plastic, wood, etc. Quality high speed steel M2 ensures sharp and fast execution in any material for clean results. Premium Heat treated is durable and can withstand heavy duty operation for a long tool life. Black Oxide and Golden Dual Surface Treatment holds up lubricant better for smoother drilling. Precision ground with geometry of 135 degree chisel with split point for quick penetration and an accurate start. 60 pieces drill set size range is from wire gauge No.1 (0.228 inch) to No. 60 (0.040 inch) for wide range application.<br><br><b>MaxTool</b> is a cutting tools distributor in New York to meet a wide range cutting demand of customers in today's markets, which include automotive, aerospace, electronics, medical, printed circuit boards, optical industries, and more<br><br><b>MaxTool</b> maintains the leading spirit in supply of standard and custom-made high performance cutting tools, such as Polycrystalline diamond (PCD), Polycrystalline Cubic Boron Nitride (PCBN), Carbide, High Speed Steel (HSS) Tools, Hole Saws, Diamond Wheels, etc for machining ferrous, non-ferrous, composite, fiberglass, and carbon fiber materials. We offer our products worldwide, unless otherwise restricted by our suppliers<br><br>In addition, <b> MaxTool</b> offers re-sharpening services and custom tooling solutions<br><br><b>MaxTool</b> warmly welcomes everyone to visit our Amazon Store, and honestly appreciates everyone very much to give a cooperative chance to discuss your requirement<br><br><b>MaxTool</b> will do the best to make each buyer satisfaction. You can always rely on <b>MaxTool</b><br><br>MaxTool’s slogan is Consistent Quality<br><br> <b>MaxTool! ToolMax!</b>