Milwaukee Concrete Super Drill Set - 7pcs These high quality concrete drill bits have a unique shaped tip with a centering point and a H-spiral flute for maximum drilling speed and longer lifetime in hard materials such as concrete, aerated concrete blocks, masonry, natural stone, artificial stone, ceramic tile, slate and granite. From Ø 12 mm the drill bits are supplied with a multi-flat shank to prevent the drill bit slipping in the chuck. Key Features Heavy Duty TCT Drill Bits Milwaukee Plastic Cassette Case Made in Germany H-Spiral Flute Extends Bit Life Specification: - Diameter (Metric): Various - Suitable For: Concrete, Masonry, Brick - Accessory Fitting: Drill Bit - Head Size: Various - Accessory Fitting Style: Drill Bit - Bit Type: Masonry - Buying Option: TCT Masonry Drill Bits - Pack Size: 7 - Product Weight: 1.0kg - Product Length: Mixed What’s In The Box?