Milwaukee 7.5 Amp Corded 1/2 in. Pistol Grip 2-Speed Hammer Drill

Item # 811635 | Milwaukee Tool Part # 5378-20 | UPC Code 045242025466 | UNSPSC Code 27112703
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Product Overview

5378-20 5378-21 1/2 in. Pistol Grip Dual Torque Hammer Drill, 0 RPM to 1350 RPM/0 RPM to 2500 RPM (0) Write a review the power to drill holes in concrete. The versatility to excel at wood and steel applications. This powerful 7.5 Amp, Hammer Drill features dual trigger speed control in 2-ranges, with more power for the toughest applications or more speed and less torque for lighter applications. Use it for drilling in wood with flat boring bits, whole saws, auger bits and self-feed bits or in steel with twist bits and in concrete with percussion bits. The removable side handle helps set the depth rod for pre-set whole drilling. The heavy-duty metal gear case withstands daily jobsite use, yet the drills lightweight, balanced pistol-grip design reduces fatigue during a long work day.

  • 1/2 in. capacity
  • Powerful 7.5 Amp dual-torque motor: optimized for concrete fastening with overload protection choose trigger-speed control in 2-ranges: 0-1,350 RPM/0-22,000 BPM or 0-2,500 RPM/0-40,000 BPM
  • 2-mode operation: drill-only mode for wood, steel and plastic, hammer and rotation setting easily sets concrete screw fasteners and drills small holes for anchors
  • 2-speed gear box: select the correct drilling speed for the material and accessory
  • Removable side handle which helps set the depth rod
  • 5-year warranty
  • Self-stopping brushes: protects the motor and increases the life of the tool
  • Capacity in concrete 3/4 in.
  • Selfeed bit capacity 1-3/4 in.
  • Capacity in steel twist bit 1/2 in.


Blows per Minute (BPM)
Certifications and Listings
CSA Listed, ETL Listed, UL Listed
Chuck Size
1/2 In.
Chuck Type
Cord Length (ft.)
Cordless/ Corded
Drill/ Driver Type
Hammer Drill/ Driver
No Additional Items Included
Manufacturer Warranty
5 Year Tool Warranty
Maximum Speed (rpm)
2500 RPM
Power Tool Product Type
Drills & Drivers
Product Depth (in.)
Product Height (in.)
Product Weight (lb.)
Product Width (in.)
Standard Color Family
Tools Product Type
Power Tool


5 Year Tool Warranty