10-Piece Masonry Drill Bit Set for Concrete Tile Glass Ceramic Brick,1/8 to 1/2 Inch Drilling Bits with Triangle Handle,Tungsten Steel Alloy Tip.?Black?

Features

• 10 pcs of masonry drill bits with the following tip diameters: 1/8, 5/32, 3/16, 1/4 (*4), 5/16, 3/8 and 1/2.
• Performance Benefits: Features a premium, hard tungsten carbide alloy head that reduces resistance, improves precision, and provides high wear resistance.
• U-type Slot Design: allows for fast penetration and evacuation of debris as you work.
• Anti-slip Triangle Shank: ensures a tight fit and is suitable for electric drill, hand drill and bench drill. Not suitable for impact drills.
• Common Materials: Ideal for drilling on Tile,Ceramic,Concrete,Plastic,Glass,Marble,etc,Brittle/Hard Materials Recommended at low speed with appropriate drill bits.