MaxToolAll extension bars are standard designs and fit 7/16” hex arbors/mandrels in the markets;

The extension bars are made of premium tool steels, carefully treated, have a maximum strength, toughness, and a tendency to stay longer tool life;

The bars have 7/16” Hex with 12 inch overall length and fit to 7/16" or larger drilling chucks;

It provides additional reach for drilling deep holes or drilling holes in the places hard to reach;

MaxTool all items are carefully inspected before listing to ensure that we only offer consistent quality products.

MaxTool is a cutting tools distributor in New York to meet a wide range cutting demand of customers in today 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) Tools, Polycrystalline Cubic Boron Nitride (PCBN) Tools, Carbide Tools, High Speed Steel (HSS) Tools, Hole Saws, Diamond Wheels, etc for machining ferrous, non-ferrous, composite, fiberglass, and carbon fiber materials.

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 slogan is Consistent Quality.

MaxTool!