7/8″ SDS‑Max Rotary Hammer Bit

Precision Concrete Drilling • SDS‑Max Shank • Hawaiʻi Contractor Series

The 7/8″ SDS‑Max rotary hammer bit is a professional‑grade carbide‑tipped bit designed for medium‑diameter anchor drilling, utility penetrations, and structural concrete work. Built for SDS‑Max hammers including Hilti TE‑Y, Makita GRH05M, and Bosch SDS‑Max, this bit delivers fast drilling speed, clean hole geometry, and long service life — ideal for commercial contractors across Oʻahu, Maui, and the Big Island.

With a high‑alloy steel body, optimized flute design, and durable carbide cutting head, the 7/8″ SDS‑Max bit excels in reinforced concrete, masonry, and structural materials. Whether you’re installing anchors in Wailuku, drilling penetrations in Honolulu, or performing industrial maintenance in Kona, this bit provides reliable performance on Hawaiʻi’s toughest job sites.

Key Features

• 7/8″ diameter for medium‑diameter anchor and utility drilling
• SDS‑Max shank — fits Hilti TE‑Y, Makita GRH05M, Bosch SDS‑Max
• Carbide‑tipped cutting head for maximum durability
• High‑alloy steel body for commercial use
• Optimized flute design for fast dust removal
• Ideal for anchors, wedge bolts, and utility penetrations
• Built for Hawaiʻi’s commercial and industrial contractors

• Ideal Applications

  • Medium‑diameter anchor bolts
  • Wedge anchor installation
  • Utility penetrations
  • Structural concrete drilling
  • Industrial maintenance
  • Commercial construction across Hawaiʻi

Technical Specifications