Milwaukee 1109‑20 — 1/2″ SDS‑Plus Rotary Hammer

Compact Concrete Drilling • Lightweight SDS‑Plus Performance • Hawaiʻi Contractor Series

The Milwaukee 1109‑20 is a compact, lightweight 1/2″ SDS‑Plus rotary hammer designed for precision drilling in concrete, masonry, and block. Built for electricians, plumbers, HVAC installers, and commercial contractors across Hawaiʻi, this tool delivers reliable performance in tight spaces where larger SDS‑Max hammers are impractical.

With 2‑mode operation (Rotary Hammer / Rotation Only), a high‑efficiency motor, and Milwaukee’s durable SDS‑Plus chuck system, the 1109‑20 provides clean, accurate holes for anchors, Tapcons, and small‑diameter penetrations. Its compact size makes it ideal for overhead work, ladder work, and confined‑space drilling from Honolulu to Wailuku.

Key Features

• Compact SDS‑Plus rotary hammer for precision drilling
• 1/2″ drilling capacity in concrete and masonry
• 2‑mode operation: Rotary Hammer & Rotation Only
• Lightweight design for overhead and tight‑space work
• Durable SDS‑Plus chuck for secure bit retention
• Ideal for electricians, plumbers, HVAC, and maintenance crews
• Perfect for commercial and residential projects across Hawaiʻi

• Ideal Applications

  • Tapcon installation
  • Small anchor holes
  • Electrical & plumbing penetrations
  • HVAC mounting
  • Masonry drilling
  • Overhead and confined‑space work
  • Commercial & residential construction across Hawaiʻi

Technical Specifications