A power rotary hammer is an essential tool for demanding demolition and drilling tasks. Selecting the right model ensures efficiency, safety, and longevity for your projects. This guide will help you navigate the key features to find a tool that perfectly matches your needs.
- ATTENTION: This rotary hammer can only be used with SDS Plus (SDS +) bits--NOT with regular drills, SDS Max, or other types of bits(PLEASE CHECK BEFORE ORDERING)
- Efficient Use: The lightweight rotary hammer weighs only 7.19 lbs. and is ideal for overhead or downward drilling applications.The SDS-Plus bit system offers tool-less bit changes and maximum impact energy transfer. Ideal for DIY enthusiasts, not suitable...
- Power: 9 AMP motor delivers 0-1,100 RPM and 0-5,300 BPM, 2.21 ft.lbs.(3 Joules) of impact energy for fast drilling in concrete, cement, brick, masonry and tile removal
- 4 Modes: "Rotary Hammer" mode is ideal for quickly drilling in concrete. "Rotary Only" mode is suitable for light drilling in masonry or brick work. "Hammer Only" mode is perfect for tile removal. "Chisel position Adjustment" mode allows free adjustment...
- 3.0 joules impact energy for fast drilling and chipping speed
- 8.5 amp high performance motor
- Shocks - Active Vibration Control reduces vibration felt by the user at the handles. A Perform and Protect feature.
- Rotating brush ring delivers full power/torque in forward and reverse
- Cordless hammer drill has 2.1 Joules of impact energy for fast drilling in concrete.
- SHOCKS ACTIVE VIBRATION CONTROL System of DEWALT 20V hammer drill reduces vibration felt by the user at the handles, compared to rotary hammers without this feature.
- Lightweight design makes this DEWALT 20V brushless hammer drill ideal for rod hanging, seismic & safety attachments, cable tray & strut mounting, clamp mounting, and rail mounting.
- OSHA Table 1 Compliant when paired with DWH303DH On Board Extractor.
- POWERFUL MOTOR: Our ENRH3201 high-performance electric rotary hammer features a 13Amp industrial motor with 5.5 feet/lbs (7.4 joules) impact energy, making it suitable for heavy duty concrete work. The heat resistant copper wire motor ensures long working...
- FOUR FUNCTIONS: Our rotary hammer offers four different functions of drill only mode (suitable for wood, steel, etc.), hammer only mode (suitable for concrete or brick), hammer drill mode (suitable for heavy duty work) and chisel position adjustment to...
- THOUGHTFUL HUMANIZED DESIGN: For your safety and comfort, we have designed the ENRH3201 with a safety clutch protection to protect your wrist from high torque force. The 360 adjustable handle allows for easy handling in different work scenarios. Our...
- DRILLING CAPACITY: The ENRH3201 rotary hammer drill has a maximum drilling diameter of 1.25 inch for concrete and 0.5 inch for metal. With a no-load speed of 820 r/min and a max impact frequency of 4200bpm, our rotary hammer delivers efficient and...
- 3 MODES: BOSCH rotary hammer multi-function selector offers 3 modes of operation: Rotation-only, rotary hammer, and hammer only mode; Variable speed trigger with reverse offers accurate bit starting or easy fastener removing
- EASE OF USE: SDS hammer drill vibration control for comfort in all day applications
- ERGONOMIC: This corded hammer drill D-handle design provides comfort and optimal control, especially for overhead or downward drilling applications
- CONVENIENT: This BOSCH drill, SDS-plus bit system provides tool-free bit changes with automatic bit locking, dust protection and maximum impact energy transfer; Vario lock positioning offers 36 bit positions for optimized chiseling angle
- Drills 3/8 in. x 2 in. holes faster than corded 1 in. D-handle rotary hammers
- Up to (100) 3/8 in. x 2 in. holes per charge with M18 XC5.0 battery
- AVS Anti-Vibration System: minimizes vibration for maximum comfort
- Lightweight design reduces user fatigue: 5.3 lbs. (tool-only)
- 2.6 Joules of impact energy for fast drilling in concrete.
- Lightweight design makes this tool ideal for forming, rod hanging, structural connections, beam & column anchorage, steel stanchion mounting, and clip & bracket mounting.
- Brushless motor and durable German-engineered mechanism for efficient performance and runtime.
- Rotating dial to set tool to a specific application mode - Drill, Hammer Drill, or Chip.
- DEWALT electronics allow DEWALT 20V hammer drill to maintain speed through the entire application without bogging down even with the largest bits.
- Optimized 2.6J mechanism of the cordless hammer drill provides faster than corded Speed of Application
- Durable German Engineered mechanism of DEWALT 20V brushless hammer drill is made for long service life, even in the hardest concrete.
- Compact size allows access to space restricted areas. Tool only, battery sold separately.
- Fast drilling in concrete with 1.4 joules of impact energy
- Lightweight design: ideal for rod hanging, concrete forming, cable tray and strut mounting, clip and bracket mounting, and railing mounting
- Brushless Motor & German-Engineered Mechanism for efficient performance and runtime
- SHOCKS active vibration control system reduces vibration felt by the user at the handles comparted to rotary hammers without this feature
This article is part of our complete guide Hand Tools — browse all our comparisons and buying guides.
Last update on 2026-10-16 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Power Rotary Hammers
Understanding Rotary Hammer Types
Rotary hammers are categorized by their chuck system, which dictates the type of bits they accept and their overall power. SDS-Plus is the most common for general-purpose drilling and light demolition, offering good bit retention. SDS-Max is designed for heavier-duty work, providing superior power transfer and durability for larger chisels and bits. Some models may offer a convertible chuck, allowing for versatility.
Power and Performance Metrics
When evaluating performance, consider the motor's amperage and the tool's impact energy (measured in Joules). Higher amperage generally indicates more power, while Joules provide a direct measure of the hammer's striking force, crucial for demolition. For drilling, look at the maximum RPM (revolutions per minute) and IPM (impacts per minute) to gauge how quickly it can bore through various materials.
Features for User Comfort and Safety
Ergonomics play a significant role in prolonged use. Look for tools with anti-vibration systems to reduce fatigue and potential strain. Auxiliary handles should be adjustable for optimal grip and control. Safety features like clutches that disengage the motor if the bit binds are also vital for preventing injuries. Consider the tool's weight and balance, especially if you'll be working overhead or in tight spaces.
Durability and Build Quality
A robust construction is key for tools subjected to heavy use. Check for durable housing materials, such as reinforced plastics and metal gear casings. Look for evidence of good sealing against dust and debris, which can significantly extend the tool's lifespan, particularly in construction environments. Reputable brands often offer better warranties, reflecting their confidence in product quality.
