PricepectAI-Verified Comparisons

Comparisons About

⌘K

Pricepect

Independent product comparisons to help you buy smarter.

Browse

Categories
Comparisons
Spec Comparisons
Head-to-Head
Search

Info

About
Privacy Policy
Terms of Service

Top Categories

Electronics
Home & Kitchen
Sports & Outdoors
Automotive

✓ Independent & Unbiased✓ AI-Verified Data✓ Expert-Reviewed

Pricepect participates in the Amazon Services LLC Associates Program. As an Amazon Associate, we earn from qualifying purchases. © 2026 Pricepect. All rights reserved.

Greenworks 24V Rotary Hammer — Review & Specs | Pricepect | Pricepect

Home Hammer DrillsGreenworks 24V Rotary Hammer

Greenworks 24V Rotary Hammer — image 1

Greenworks

Greenworks 24V Rotary Hammer

Expert Review Analysis

The Greenworks 24V Cordless SDS 1.2J Heavy Duty Rotary Hammer Drill is a compact, brushless tool designed for drilling and hammer drilling in concrete, wood, and metal. It features a lightweight design, variable speed trigger, and SDS Plus chuck for quick bit changes, positioning it as a high-performance option for DIY and light trade tasks.

✓ Best for: DIY homeowners, light trade users, and weekend warriors needing a portable hammer drill for occasional jobs. Specific use cases include drilling into concrete, masonry, wood, or metal up to 7/8-inch bits, home renovations, installing anchors or shelving in tight spaces, and light demolition.✗ Not ideal for: Professional contractors requiring higher impact energy or all-day heavy use due to the limitations of the 24V platform.

Pros

✓Brushless motor delivers high torque and efficient performance in hard materials
✓Lightweight at 2.73-2.75 lbs, making it ideal for tight spaces and portability
✓

Best Seller Rank History

Now#234Best#121Worst#244 -113

Lower = better sales rank

Rating Trend

Rating5.0/ 5Reviews1+-8 reviews +0.80

Specifications

Accessories

Included Batteries1x 4Ah

Included Charger1x 2A

Included Drill Bits3 (1/4", 5/16", 3/8")

Features

Motor TypeBrushless

Forward/ReverseYes

Power SourceCordless

General

BrandGreenworks

ModelHMG405

ColorGreen

Warranty3 years

Chuck TypeSDS Plus

Performance

Impact Energy1.2 J mJ

No-Load Speed0-1,440 RPM RPM

Impact Rate4,800 BPM BPM

Variable SpeedYes

Power

Battery Voltage24 V V

Battery Capacity4.0 Ah mAh

Charging Time120 minutes minutes

Charger Output2 A A

Battery

Battery Recharge Time120 minutes (with 2A charger)

Battery Capacity4.0 Ah (in kits)

Dimensions & Weight

Height8.27 Inches

Width2.83 Inches

Depth9.25 Inches

Weight2.75 Pounds

Research Sources

greenworkstools.com

greenworkstools.com

greenworkstools.com

Similar Products

Greenworks 40V 16" Cordless (Push) Lawn Mower (75+ Compatible Tools), 4.0Ah Battery and Charger Included

Greenworks 40V 16" Cordless (Push) Lawn Mower (75+ Compatible Tools), 4.0Ah Battery and Charger Included

Greenworks

Greenworks 40V 14" Chainsaw, 2.5Ah USB Battery and Charger Included

Greenworks 40V 14" Chainsaw, 2.5Ah USB Battery and Charger Included

Greenworks

Greenworks 24V Brushless Cordless Drill Kit, 310 in./lbs, 18+1 Position Clutch, 1/2 '' Keyless Chuck, Variable Speed, (2)2Ah Batteries with 2A Charger, LED Light, 8pcs Drill Bits with Tool Bag

Greenworks 24V Brushless Cordless Drill Kit, 310 in./lbs, 18+1 Position Clutch, 1/2 '' Keyless Chuck, Variable Speed, (2)2Ah Batteries with 2A Charger, LED Light, 8pcs Drill Bits with Tool Bag

Greenworks

COPLAR 8 Inch Brushcutter Attachment

COPLAR 8 Inch Brushcutter Attachment

COPLAR

Greenworks 24V Cordless 1/4 Quarter Sheet Sander with 2Ah Battery and Charger

Greenworks 24V Cordless 1/4 Quarter Sheet Sander with 2Ah Battery and Charger

Greenworks

Greenworks 24V Cordless Rotary Hammer, 2.1 Joules, Brushless Motor, 1" SDS Plus Rotary Hammer Drill, 4 Modes, LED Light, 4Ah Battery & Charger Included, Ideal for Concrete, Masonry & Demolition

Greenworks 24V Cordless Rotary Hammer, 2.1 Joules, Brushless Motor, 1" SDS Plus Rotary Hammer Drill, 4 Modes, LED Light, 4Ah Battery & Charger Included, Ideal for Concrete, Masonry & Demolition

Greenworks

Greenworks 60V 16” Brushless Cordless String Trimmer, 2.5Ah Battery and Charger Included

Greenworks 60V 16” Brushless Cordless String Trimmer, 2.5Ah Battery and Charger Included

Greenworks

Greenworks 24V 6" Mini Chainsaw Cordless , Small Cordless Handheld Saw, 2.0Ah Battery and Charger Included, for Tree Trimming and Pruning

Greenworks 24V 6" Mini Chainsaw Cordless , Small Cordless Handheld Saw, 2.0Ah Battery and Charger Included, for Tree Trimming and Pruning

Greenworks

Greenworks 24V Brushless Cordless 3in. x 18in. Belt Sander Kit with Dust Bag and 60 Grit Sandpaper, Tool Only

Greenworks 24V Brushless Cordless 3in. x 18in. Belt Sander Kit with Dust Bag and 60 Grit Sandpaper, Tool Only

Greenworks

Greenworks 24V 2-In-1 2,200 Lumen Standing Light, LED Work Light,Tool Only

Greenworks 24V 2-In-1 2,200 Lumen Standing Light, LED Work Light,Tool Only

Greenworks

Greenworks 48V (2x24V) High - Performance Cordless Yard Tool Combo: 21" Self - Propelled Lawn Mower, 12" Trimmer & Blower, with 3 Batteries & 2 Chargers

Greenworks 48V (2x24V) High - Performance Cordless Yard Tool Combo: 21" Self - Propelled Lawn Mower, 12" Trimmer & Blower, with 3 Batteries & 2 Chargers

Greenworks

Greenworks 24V Underhood Work Light, 1200 Lumen LED Light Bar, Tool Only

Greenworks 24V Underhood Work Light, 1200 Lumen LED Light Bar, Tool Only

Greenworks

Greenworks 24V Cordless Brushless 1/2" Drill Driver (Metal Chuck /800 in.-lbs. /21 Clutch Position/LED Light), Tool Only

Greenworks 24V Cordless Brushless 1/2" Drill Driver (Metal Chuck /800 in.-lbs. /21 Clutch Position/LED Light), Tool Only

Greenworks

Greenworks 48V (2x24V) Electric Lawn Mower Combo Kit: 20"Steel Deck Push Mower, 12" String Trimmer, 320 CFM Blower, 3 Batteries & 2 Chargers, 3-Year Warranty.

Greenworks 48V (2x24V) Electric Lawn Mower Combo Kit: 20"Steel Deck Push Mower, 12" String Trimmer, 320 CFM Blower, 3 Batteries & 2 Chargers, 3-Year Warranty.

Greenworks

Greenworks 80V 10" Brushless Cordless Polesaw (Great For Pruning and Trimming Branches / 75+ Compatible Tools), 2.0Ah Battery and Charger

Greenworks 80V 10" Brushless Cordless Polesaw (Great For Pruning and Trimming Branches / 75+ Compatible Tools), 2.0Ah Battery and Charger

Greenworks

Greenworks 24V Brushless Cordless Reciprocating Saw,1" Compact One-Handed Recip Saw(3,000 SPM),Variable Speed, 2.0Ah Battery and Compact Charger Included,‎ RSG404

Greenworks 24V Brushless Cordless Reciprocating Saw,1" Compact One-Handed Recip Saw(3,000 SPM),Variable Speed, 2.0Ah Battery and Compact Charger Included,‎ RSG404

Greenworks

Greenworks 24V Cordless Under Hood Work Light with 2Ah Battery and Charger, 1200 Lumen LED Worklight, 360-Degree Hook, 3 Modes, Portable Rechargeable for Camping, Car Repair, Garage Use

Greenworks 24V Cordless Under Hood Work Light with 2Ah Battery and Charger, 1200 Lumen LED Worklight, 360-Degree Hook, 3 Modes, Portable Rechargeable for Camping, Car Repair, Garage Use

Greenworks

Greenworks 24V 3000 Lumen Hybrid (AC/DC) LED Dual Head Work Light, Dual Power Tower Light with Foldable Tripod Base and Telescoping Shaft, 3 Modes, with 2Ah Battery and Charger

Greenworks 24V 3000 Lumen Hybrid (AC/DC) LED Dual Head Work Light, Dual Power Tower Light with Foldable Tripod Base and Telescoping Shaft, 3 Modes, with 2Ah Battery and Charger

Greenworks

Greenworks 24V Cordless Palm Sander, 1/4 Sheet Sander with Dust Bag, Compact and Lightweight, 11000 OPM, with 2Ah Battery and Charger

Greenworks 24V Cordless Palm Sander, 1/4 Sheet Sander with Dust Bag, Compact and Lightweight, 11000 OPM, with 2Ah Battery and Charger

Greenworks

Greenworks 24V Hammer Drill Kit with 4Ah Battery & Charger, 1240 in-lbs Brushless Motor, 32000 IPM Impact, 2-Speed(0-550/2100 RPM), 1/2" Metal Chuck, 23+1 Clutch - Heavy-Duty Power Tool for Concrete

Greenworks 24V Hammer Drill Kit with 4Ah Battery & Charger, 1240 in-lbs Brushless Motor, 32000 IPM Impact, 2-Speed(0-550/2100 RPM), 1/2" Metal Chuck, 23+1 Clutch - Heavy-Duty Power Tool for Concrete

Greenworks

User Reviews

Please sign in to leave a review

Sort by:

No reviews yet. Be the first to review!

4.2

(110 reviews)

Out of Stock

HMG405GreenBrushless 1.2J Rotary Hammer Drill

Cordless design provides freedom of movement without cable restrictions

✓Quick SDS Plus chuck allows for tool-free bit changes

✓Variable speed trigger offers precise control during operation

✓24V lithium-ion batteries offer 20% more power and 35% more runtime

Cons

✗Limited to 24V platform which may lack power for heavy prolonged professional use
✗Basic 2-mode operation lacks rotation-only or chisel modes found in higher-end models
✗No direct consumer reviews available to verify long-term reliability
✗Impact energy of 1.2J is lower than some pro-grade competitors like Makita

From Expert Reviews

Praised by Experts

✓Brushless motor delivers high torque and efficient performance in hard materials
✓Lightweight at 2.73-2.75 lbs, making it ideal for tight spaces and portability
✓Quick SDS Plus chuck allows for tool-free bit changes
✓Variable speed trigger offers precise control during operation

Criticized by Experts

✗Limited to 24V platform which may lack power for heavy prolonged professional use
✗Basic 2-mode operation lacks rotation-only or chisel modes found in higher-end models

From User Reviews

Users Love

✓Easy bit installation process highlighted in video overviews
✓Variable speed control allows for practical operation in various materials
✓Reliable performance for DIY tasks in wood and metal drilling

Expert Opinion

Search results lack in-depth expert reviews from major professional review sites. However, product descriptions and videos characterize the tool as robust, lightweight, and powerful for home and DIY tasks. Greenworks positions it as a high-performance solution for tough materials, backed by a 3-year warranty on both the tool and battery.

What Users Say

There are no direct user reviews or feedback available in the search results. Video overviews suggest reliability for DIY users, highlighting practical operation features like easy bit installation and variable speed control, but there is no specific praise or complaint data from everyday consumers.

How It Compares

vs. DeWalt 20V 1.0J (e.g., DCH232)

Advantages

✓Lighter weight (2.73 lbs vs ~3.6 lbs)
✓Higher RPM (1440 vs 1100) and BPM (4800 vs 4000)

Disadvantages

✗Lower impact energy (1.2J vs ~1.0J is comparable, but DeWalt has 3 modes vs 2)

Choose Greenworks for lighter weight and speed; choose DeWalt for general DIY/pro light use with more modes.

vs. Makita 18V 1.7J (e.g., HR1811)

Advantages

✓Lighter weight (2.73 lbs vs ~4.2 lbs)
✓Higher RPM (1440 vs 1100) and BPM (4800 vs 4000)

Disadvantages

✗Lower impact energy (1.2J vs 1.7J)
✗Fewer modes (2 vs 2, but Makita often has more versatility in this class)

Choose Greenworks for ultra-light DIY portability; choose Makita for higher power DIY tasks.

vs. Ryobi 18V 1.2J (e.g., P252)

Advantages

✓Lighter weight (2.73 lbs vs ~3.3 lbs)
✓Higher RPM (1440 vs 1200) and BPM (4800 vs 4500)

Disadvantages

✗Similar impact energy but potentially less ecosystem compatibility depending on user needs

Choose Greenworks for lighter weight and speed; choose Ryobi for budget DIY options.