Unika Concrete Drill SDS Tip Top Set of Bit, 3.4mm, 3, DP3-T34

Uses: Concrete, blocks, bricks, mortar Cutting edge diameter: 3.4 mm Effective length: 45mm Total length: 110mm Quantity: 3 Compatible electric motor: Measuring hammer drill Non-plastic screws (concrete screws): for 4mm Caution: Use an electric drill with an SDS chuck. Do not use in impact mode. Before inserting or removing a drill bit, make sure the start switch is off and the power is unplugged. Insert the bit until it locks in place. Drill at a right angle to the object.