Bosch HC8550 4" X 7" X 12" SDS-Max Shank 1 Piece Core Bit

Bosch HC8550 Specifications:
•  Bit Diameter: 4"
•  Useable Length: 7"
•  Overall Length: 12"

Bosch HC8550 Features:
•  Useful for drilling larger, cleaner holes up to 6" in diameter and 4" deep
•  Carbide tipped pilot drill centers holes easily
•  All-in-one core transmits power directly to the end of the bit
•  Used for vertical drilling applications