Milwaukee SDS Max Demolition Hammer Review Heavy-Duty Power Tool Performance Tested

  • Heavy-duty impact energy of 8.8 ft/lbs ensures powerful and efficient demolition in tough concrete conditions.
  • The AVS Anti-Vibration System significantly reduces hand fatigue, making extended use more comfortable.
  • Equipped with a D-handle design, it offers excellent grip and control, especially useful for precision chiseling.
  • Features 12 different chisel positions, allowing versatile applications and better adaptability on job sites.
SKU: B001U4Y6V4 Category:

As an Amazon Associate I earn from qualifying purchases.

Description

Highlights of the SDS Max Demolition Hammer

Testing the Milwaukee 5446-21 SDS-Max Demolition Hammer gave me a solid appreciation for its powerful 14 Amp motor and impact energy of 8.8 ft-lbs, which really packs a punch when breaking through concrete and other tough materials. The tool’s two-speed impact mode offers versatility, allowing me to switch between 2,200 and 2,840 blows per minute depending on the job. This flexibility came in handy when I had to adjust for lighter materials without damaging them. The AVS Anti-Vibration System noticeably reduced the strain on my arms, making prolonged use much more tolerable than I expected.

  • Impressive power with a heavy-duty crank piston mechanism
  • Two-speed impact settings for different applications
  • Anti-vibration system enhances comfort during extended use

Drawbacks I Encountered

Although the hammer performs well, it’s definitely not a lightweight at 15.9 pounds, which can be tiring during extended demolition sessions. The D-handle design is ergonomic and helps with control, but the overall heft means it’s not ideal for delicate or overhead work. I also noticed that while the constant power technology maintains speed under load, the tool can still feel a bit unwieldy in tight spaces. The chisel stop with 12 fixed positions is useful but requires some getting used to; it’s not the quickest adjustment when switching between angles.

  • Quite heavy at nearly 16 pounds, which affects maneuverability
  • Adjusting the chisel stop can be slow during fast-paced work
  • Bulkier design limits use in confined areas

Versatility and Features in Use

This demolition hammer stood out for its variable position chisel stop, which allowed me to lock the chisel at various angles, making it easier to tackle different demolition tasks without fumbling. The D-handle grip gave me solid control, especially for chiseling applications, while the two-speed impact mode was a nice touch to customize power output. I tested the tool across various materials—concrete, brick, and even some metal—and it handled everything without hiccups. The heavy-duty motor and constant power technology ensured consistent performance, even under heavy load, which I found crucial during demanding projects.

Price Performance: Is It Worth It?

The price point for this heavy-duty demolition hammer feels justified given its build quality and features, although it’s not the cheapest option out there. For professionals or serious DIYers, the combination of power, anti-vibration tech, and adjustable chisel stop makes it a worthwhile investment. Casual users might find it overkill, especially considering its weight and bulk. When comparing it to other tools in the same class, I found it offers a solid balance of durability and performance without unnecessary bells and whistles, which adds to its value.

Product Competitors: How It Stands Out

Compared to other demolition hammers like the Bosch Brute SDS Max or the Hilti TE 1000-AVR, this model holds its own in terms of impact energy and vibration reduction. The Bosch offers similar power but lacks the same level of anti-vibration comfort, which can be a dealbreaker for long jobs. The Hilti, on the other hand, is lighter but commands a premium price, and its chisel adjustment system isn’t as straightforward. The Milwaukee stands out for robust construction, consistent power delivery, and a balanced feature set, though it does lag behind in weight and portability.

Handling and Ergonomics

Using the hammer for extended periods, the anti-vibration system was a real lifesaver; it noticeably cut down the usual numbness and fatigue in my hands. The D-handle felt secure, allowing me to maintain control even during aggressive chiseling. Still, the nearly 16-pound weight made it tiring to hold overhead or in awkward positions. My coworker, who tried it out on-site, appreciated the power but agreed on the heft being a downside for certain tasks. The two-speed impact mode means you can dial down the power when needed, which helps conserve energy and precision.

Real-World Performance and User Experience

This tool shines in heavy-duty demolition projects where power and durability matter most. I found it particularly effective breaking up thick concrete slabs and brick walls, where lighter hammers struggled. The constant power technology really makes a difference, as the hammer doesn’t bog down under pressure. Even my kids, curious about the noisy beast, noticed how steady and forceful the impacts were. The 12-position chisel stop proved handy for different angles, although it’s not the fastest mechanism to operate. Overall, the demolition hammer delivers on the promise of power and control, with some trade-offs in weight and adjustability.

Areas for Improvement

Despite its strengths, some aspects could use refinement. The weight is the most obvious hurdle, making the hammer less suitable for overhead or prolonged use without breaks. Also, the chisel adjustment system, while functional, lacks quick-release convenience found on some competitors. The corded electric power source ensures consistent energy but limits mobility compared to cordless options gaining popularity. These factors may be dealbreakers for those needing maximum portability or quick tool swaps on dynamic job sites.

  • Heavy weight reduces ease of use in certain positions
  • Chisel stop adjustment could be faster and more intuitive
  • Corded design limits mobility compared to battery-powered alternatives

Additional information

Brand

Milwaukee

Power Source

Corded Electric

Voltage

120 Volts

Amperage

14 Amps

Maximum Chuck Size

6.35 Millimeters

Color

Silver, Black Red, Black

Included Components

Unit^Instruction Guide

Special Feature

Heavy-Duty

Maximum Torque

8.8 Foot Pounds

Number of Speeds

2

Speed

2200 RPM

Item Weight

15.9 pounds

Maximum Power

800 Watts

Item Torque

8.8 Foot Pounds

Drill Type

Hammer Drill

Is Electric

Yes

UPC

045242155521

Global Trade Identification Number

00045242155521

Drilling Capacity Wood

6.35 Millimeters

Manufacturer

Milwaukee

Drilling Capacity Metal

6.35 Millimeters

Part Number

5446-21

Item model number

5446-21

Is Discontinued By Manufacturer

No

Size

1-3/4\"

Wattage

900 watts

Item Package Quantity

1

Special Features

Heavy-Duty

Batteries Included

No

Batteries Required

No

Battery Cell Type

Lithium Ion

Warranty Description

5 Years

Contents