Bosch 5/8-in x 6-in HSS Round Hammer Drill Masonry Drill BitAsymmetric diamond ground carbide tip allows for precise starts Milled U flutes with deep cut spiral delivers fast material removal Robust head for long service life in impact applications Three flat shank provides aggressive gripping power Designed for impact applications for fast drilling in block, masonry and concrete Features Series Name N A Brand Model Compatibility Fits most hammer drills Type Percussion Material High speed steel Tip Material