Makita B-66709 7/16" x 4‑1/2" Rotary Hammer Core Bit Centering Bit Tools & Attachment and precision ground blades

and precision ground blades

Up to 25 minute run time under load with 3

smooth cuts

The blower is compact

Makita B-66709 7/16" x 4‑1/2" Rotary Hammer Core Bit Centering Bit Tools & Attachment and precision ground bladesMakita Rotary Hammer Core Bit Centering Bits features a carbide tipped tapered bit for faster and more accurate starts. Centering bits have larger diameters than standard carbide bits, allowing smaller hammers to drill larger holes. A high grade steel construction provides increased durability. The bits are for dry drilling in concrete, block, and brick. For increased versatility, the bit is interchangeable with Makita SDS MAX or Spline rotary hammer