The Milwaukee® M18 FUEL™ ½” Hammer Drill/Driver with ONE-KEY™ is the most powerful hammer drill in the industry, engineered to drill the largest holes at high speed into the densest materials. Combining power, compact size, advanced safety, and smart connectivity, this drill sets a new standard for professional performance.
Powered by the POWERSTATE™ Brushless Motor, it delivers maximum power under load—capable of completing 2-9/16″ self-feed holes in dense woods for unmatched productivity. Despite its strength, it remains the most compact in its class at only 6.9” in length, providing superior access and maneuverability in tight spaces.
For safety, the AutoStop™ Control Mode prevents dangerous over-rotation during bind-ups, offering the fastest reaction time in the industry. With ONE-KEY™ technology, users can customize, track, and manage their tool, including customizing AutoStop™ sensitivity (Low, Medium, High). The integrated tracking system also allows the tool to be locked if lost or stolen, protecting your investment.
✅ Industry’s Most Powerful Hammer Drill – drills the largest holes at high speed in the toughest materials.
✅ Most Compact in Class – only 6.9” long for maximum access in tight spaces.
✅ AutoStop™ Control Mode – enhanced safety with industry-best bind-up protection.
✅ ONE-KEY™ Technology – customize settings, track location, and manage tool security.
✅ POWERSTATE™ Brushless Motor – unmatched power under load and longer life.
✅ REDLINK PLUS™ Intelligence – prevents overload, overheating, and over-discharge.
✅ M18™ REDLITHIUM™ Batteries – more work per charge and longer life vs. competitors.
✅ All-Metal Ratcheting Chuck – superior grip strength, durability, and corrosion resistance.
✅ Part of the M18™ System – fully compatible with 250+ Milwaukee® solutions.
💪 With the M18 FUEL™ ½” Hammer Drill/Driver w/ ONE-KEY™, you get unmatched drilling power, enhanced safety, and smart connectivity—all in the most compact, pro-grade solution in its class.





| Battery System | M18™ |
| Motor Type | POWERSTATE™ Brushless |
| RPM Range | 0-2,100 RPM |
| Length | 69.5 in |
| Hammer Function | Yes |
| ONE-KEY™ Enabled | Yes |
| Chuck Type | All Metal Ratcheting |
| Chuck Size | 1/2 in |
| Number of Clutch Settings | 16 |
| Number of Speed Settings | Variable |