Milwaukee 48-20-5135 Thick Wall Sds-Max with Spline Carbide Core Bit, 2 x 4-1/16 in.

Thick Wall Core Bits are used for cured/seasoned concrete or use with larger hammers

The inside core must be removed by the operator before deeper drilling can be accomplished

Multiple extensions and adapters are available to allow for deeper holes to be drilled

The appropriate drive shank must be used to drive the Core Bit

Use of Center Pin and Guide Plate is recommended for positioning and starting a 1-1/4 inch hole and larger