4.25in Expander Set for Open-Head Drill Bits

CDA-46 4.25in (108mm) Expander Set for Open Head Drill Bits is required to connect 4.25in Concrete or Asphalt Open-Head Core Drill Bits to an electric or gasoline-powered Core Drilling Machine. The Expander Set fits into the open end of Open-Head Coring Bits and threads onto core drills. The Expander Set can be reused multiple times as coring bits wear out.

Features:

• Connects Open-Head Coring Bits for asphalt or concrete to a Core Drilling Machine
• Can be reused indefinitely as core bits wear out
• Available in sizes to fit Open-Head Bits

Included Items:

• Expander Set for Open Head Drill Bits