Makita B-66307 2‑1/2" x 24" SDS‑MAX Tunnel Bit Subcategory:Rotary Hammer Bits & Demolition Steel 15/32” (11 mm) is ideal

15/32” (11 mm) is ideal for punching holes in general steel and stainless steel

Shank Material Chrome-Vanadium Steel

Pitch: 3/8 in

Width [Nom] 1/2 in

The pole saw’s telescoping shaft easily adjusts from 9 ft

Makita B-66307 2‑1/2" x 24" SDS‑MAX Tunnel Bit Subcategory:Rotary Hammer Bits & Demolition Steel 15/32” (11 mm) is idealThe 2 1 2" x 24" SDS MAX Tunnel Bit is designed to drill larger holes in masonry for piping, ventilation, and electrical installations. This bit is ideal for drilling holes in concrete, block, and brick where the depth of the hole exceeds the depth of a standard core bit. The B 66307 features a solid tungsten carbide head, a carbide tipped centering point for more accurate drilling, and a solid one piece system that transfers power directly to the end