Harbor Freight Tools


12 Amp 1-9/16 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® 12 Amp 1-9/16 in. SDS Max-Type Variable Speed Rotary Hammer. Equipped with a high-performance heavy duty hammer 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, rotary hammer, and hammer only. The electronically controlled motor maintains constant power under load to keep the hammer at top performance during heavy demo applications.

  • 12 Amp motor delivers 0-2950 BPM of striking power
  • Electronically controlled motor maintains constant speed under load
  • Quick release chuck for effortless bit replacement
  • Adjustable 360° side handle for maximum comfort and control
  • Shock absorbent anti-vibration handle prevents strain and fatigue
  • Rugged blow mold case provides secure storage for tool, oil and chisel
  • Service indicator light identifies when maintanance is required
  • Easily switch from rotary hammer to hammer-only function

Replacement Parts in Stock

Call to Order: 1-800-444-3353

View Available Parts

Important Information

  • SDS, SDS-MAX, and the SDS-MAX logo 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 13.8 in. L x .7 in. diameter, 1 in. flat chisel 13.8 in. L x .7 in. diameter
Amperage (amps)
Speed (max)
515 RPM
Product Height
10.2 in.
Product Length
18.9 in.
Product Weight
15 lb.
Product Width
4.7 in.
Shipping Weight
29.32 lb.
Impact (BPM)
0-2950 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.