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JK Convenience & need for Higher Productivity are making people upgrade from traditional Masonry drill bits used in construction industry to Hammer drill bits. Rich heritage of making best masonry drills helped JK design special SDS Plus Carbide Tip Hammer drill bits. JK SDS Plus carbide tip hammer drill bits are used for masonry and concrete drilling. It's Slotted Drive System or Slotted Drive Shaft which is nothing but the bit retention system or how a bit is held in the drill machine provides Higher Torque generation, Higher Hammering action. The SDS shank has the advantage of fitting into a simple spring-loaded chuck, so that bits are simply pushed into the chuck without tightening. Tips of SDS are coated with Carbide making them tougher provides Long Service Life to it and More Resistant to Extreme Loads. Its Tip is designed in the form of Plus sign for Fast Drilling, More Hammering Action and Better Control. Deep groove of SDS that typically twist around the bit provides path to waste material to come out of the hole. These drills are used for heavy applications such as drilling holes in Concrete and RCC walls.