All drill dimensional & tolerances conform to ASME/ANSI B94.11M drill standards or USCTI - United States Cutting Tool Institute (formerly MCTI). All drills are fully ground and can be used for cutting metal, plastic, wood, etc. Aircraft extension drill bits are used for drilling deep holes or drilling holes in hard to reach places. Quality high speed steel ensures super hard, sharp and fast execution in any material for clean results. Premium Heat-treatment makes drills durable, withstand heavy duty operation for a long tool life; Premium surface finish holds up lubricant better for smoother drilling. Precision fully ground with geometry of 135 deg chisel split point for quick penetration and an accurate start.

MaxTool 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

MaxTool 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, Router Bits, etc for machining ferrous, non-ferrous, composite, fiberglass, and carbon fiber materials. We offer our products worldwide, unless otherwise restricted by our suppliers

MaxTool offers re-sharpening services and custom tooling solutions

All items are carefully inspected before listing to ensure that we only offer consistent quality products

MaxTool warmly welcomes everyone to visit our Amazon Store, and honestly appreciates everyone very much to give a cooperative chance to discuss your requirement

MaxTool will do the best to make each buyer satisfaction. You can always rely on MaxTool

MaxTool's slogan is Consistent Quality

MaxTool! ToolMax!