Bosch Hammer Drill Bit Set HCBG0410T 3 16 Inch BlueGranite Turbo 10 Pack Impact Rated Hex Shank Carbide Tipped Masonry Concrete Brick Anchoring Tool Screwdriver Kit Perma SHIELD Non Stick Coating: Thermal barrier Perma SHIELD Non Stick Coating: Thermal barrier coating repels pitch and gum build up while reducing cutting friction to protect against wood burning EZ Loader Skid Bolsters: Forklift accessible from all sides for fast relocation Impact Rated Hex Shank: Hardened 1 4 inch hex connection structure prevents shank slippage inside drill chuck paths and tip fragmentation under extreme impact cycles by integrating a specialized multi grind carbide centering pilot with milled deep spiral U flutes and an upgraded four grind head matrix carrying two additional cutting angles