Makita B-66709 7/16" x 4‑1/2" Rotary Hammer Core Bit Centering Bit Tools & Attachment 3 microns and large

3 microns and large

Up to 50% faster cutting compared to standard blades

25"" (26 cm)

The blower is compact

Makita B-66709 7/16" x 4‑1/2" Rotary Hammer Core Bit Centering Bit Tools & Attachment 3 microns and largeMakita 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