Patented extra strength tip for longer life. Large flute volume for fast drilling dust transport and less clogging. Narrow flute back for reduced friction between bit and material. Creates true round holes for anchors. The item "Bosch HC5099 Wild Bore Head SDS-max Shank Bit 2 x 18 x 23-Inch" is in sale since Tuesday, October 12, 2021.This item is in the category "Business & Industrial\Light Equipment & Tools\Drills & Hammers\Bits, Chisels & Breaker Points". The seller is "discountonefl" and is located in Orlando, Florida. This item can be shipped to United States.