Premium HC88 5-5/16" SDS-Max Centering Core Bit for Rotary Hammers

The Premium HC88 is a heavy-duty 5-5/16 inch centering core bit designed for use with SDS-Max rotary hammers. This professional-grade core bit is engineered for drilling large-diameter holes in concrete, masonry, brick, and other hard materials commonly encountered in construction and renovation work.

Key Features:

• 5-5/16 inch (135mm) drilling diameter for large-capacity coring applications
• SDS-Max shank system ensures secure fitment and maximum power transfer in compatible rotary hammers
• Centering pilot bit provides accurate hole placement and prevents walking during initial drilling
• Durable carbide-tipped construction delivers extended service life in demanding applications
• Suitable for concrete, brick, block, and masonry materials

This core bit is ideal for HVAC installations, electrical conduit runs, plumbing penetrations, and other applications requiring large-diameter holes through masonry and concrete. The SDS-Max connection is compatible with larger rotary hammers from major manufacturers including Bosch, Makita, DeWalt, Hilti, and Milwaukee.