Provides cleaner, more accurate holes. Unique Carbide Grade - maximises durability. Innovative tip design - efficient drilling action. Optimised milled flute for fast drilling. Special copper brazing to withstand high temperatures. Item Weight: 9g. The Dewalt innovative Extreme masonry bit offers excellent quality for all types of masonry work. The drill bits last up to twice as long and delivers up to 50% more holes per charge than a standard masonry bit providing cleaner, more accurate holes for improved fixing. The drill bits feature the following: Unique Carbide Grade - optimum grade maximises durability. Innovative Tip Design - unique design provides an efficient drilling action and reduced walking for greater accuracy. Optimised milled flute - for fast drilling and special copper brazing to withstand high temperatures. Applications: Typically used for drilling anchors, plastic plugs, fixings or pipework clearance holes. Suitable for masonry, brick, stone, tiles an