Harbor Freight Tools


14 Amp 1-7/8 in. SDS-MAX Type Variable Speed Rotary Hammer with Maximum Vibration Control

The electronically controlled motor delivers constant speed under heavy load for ultimate breaking power.

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Tackle the toughest jobs with the HERCULES® SDS-MAX Type Variable Speed Rotary Hammer. Equipped with a high-performance 14 amp motor and a grease packed gear box with hardened gears for superior life and durability, this tool is capable of withstanding the toughest jobsite conditions. Anti-vibration technology delivers hours of hard use with minimal fatigue. The convenient selector knob switches between rotary hammer and demo modes. The electronically controlled motor maintains constant power under load to keep the hammer at top performance during heavy applications.

  • 14 amp motor delivers up to 2800 BPM of striking power
  • Electronically controlled motor maintains constant speed under load
  • Two power modes - rotary hammer or demo
  • Heavy duty hardened gears with grease-packed gearbox for superior life in tough conditions
  • Variable speed control dial accurately matches speed to application
  • SDS-MAX type chuck provides ultimate bit retention and handles the toughest applications
  • Adjustable 360° auxiliary handle for maximum comfort and control
  • Shock absorbent anti-vibration handle prevents strain and fatigue
  • Indicator light alerts the user when carbon brushes need to be replaced

Important Information

  • SDS and SDS-MAX are the intellectual property of Robert Bosch LLC, USA. All other marks are the property of their respective owners.
  • This item is subject to a 20% restocking fee

AC Volts
Accessories Included
Bull point chisel 13.78 in. L x .7 in. diameter, 1 in. flat chisel 13.78 in. L x .7 in. diameter
Amperage (amps)
Speed (max)
155-320 RPM
Product Height
11-1/8 in.
Product Length
22 in.
Product Weight
20 lb.
Product Width
4-3/8 in.
Shipping Weight
34.40 lb.
Impact (BPM)
0-2800 BPM
Power cord (ft.)
9 ft.
CA Residents
Warning - Prop 65 Info
Note: Specifications are approximate and subject to change

We guarantee this product to be free from defects in materials and workmanship 90 days from the date of purchase. Limitations apply.