Milwaukee 2420-21 12-Volt Hackzall Saw Alternatives: 3 Similar Picks Compared

Comparing the Top Alternatives

Milwaukee M12 Cordless Reciprocating Saw Kit

This Milwaukee M12 Fuel Hackzall focuses on raw cutting power rather than versatility. It shares the 12V platform but is designed as a dedicated reciprocating saw. The kit includes only the saw, lacking the extra battery and charger found in the original 2420-21 bundle. You get a tool optimized for demolition and cutting tasks. The dimensions are slightly different, measuring 15 inches in length. If you need a single, powerful cutting tool for the M12 system, this is a strong choice. It sacrifices the broader kit contents for a focused performance profile. This pick suits users who do not require a drill or other accessories and want a specialized saw.

Milwaukee M12 12V Hackzall Tool

The Milwaukee M12 12V Hackzall bare tool is the lighter option for existing battery owners. It weighs just 2.14 pounds, making it more portable than the 2.62-pound original kit. This model does not include a battery or charger, so it is only suitable if you already own Milwaukee 12V power sources. It features a fuel gauge, which the original kit does not explicitly list in its specs. The compact design fits into tight spaces better. You save money by not buying redundant power sources. This pick is ideal for users who already have Milwaukee 12V batteries and want a versatile saw without the bulk of a full kit. It offers blade flexibility in a smaller package.

Bosch 12V Max 3-Tool Combo

The Bosch 12V Max 3-Tool Combo Kit offers a different approach by including a drill driver, work light, and reciprocating saw. It targets users who need a complete set for compact overhead work and tight spaces. The reciprocating saw in this kit is part of a larger system. You get three tools instead of just the saw. The drill driver provides 265 inch-pounds of torque, which the original Hackzall does not offer. This kit is heavier at 2 pounds for the saw component alone, but the overall utility is broader. It is best for those who need a drill and light alongside their saw. This pick suits professionals or serious DIYers who want a versatile 12V system for various tasks beyond just cutting.

Quick picks

Our 4 picks

1 Best overall

Milwaukee 12V Hackzall Saw Kit

Best for: General home DIY tasks

Power Source

12V

Stroke Length

1/2 in.

Strokes Per Minute

0-3,000 SPM

Battery Included

Kit with battery and charger

Battery Capacity

12V LITHIUM-ION

Tool Weight

2.62 lbs.

View on Amazon: Milwaukee 12V Hackzall Saw Kit Affiliate link

The Milwaukee 2420-21 is a 12-volt Hackzall saw kit. It delivers up to 3,000 strokes per minute with a 1/2-inch stroke length. The tool weighs 2.62 pounds and features a variable speed trigger. This kit includes a battery, charger, blade, and carrying case. It suits users who need a compact reciprocating saw for light to medium cutting tasks.

Pros

• Variable speed trigger for control
• QUIK-LOK universal blade clamp
• Includes battery and charger
• Compact 2.62 lb weight

Cons

• Single 12V battery included
• 0-3000 SPM speed range
• 1/2-inch stroke length limit

Good fit if

• You need a lightweight saw
• You prefer a complete kit
• You work in tight spaces

Skip if

• You require high power cutting
• You want a brushless motor
• You need dual batteries included

Verdict: Milwaukee 12V Hackzall Saw Kit offers a balanced mix of power and portability for general use. It fits homeowners needing a versatile tool for occasional projects.

2 Also great

Milwaukee M12 Cordless Reciprocating Saw Kit

Best for: Users needing a single M12 cutting tool

Power Source

M12 12v

Battery Included

Kit

Voltage

12V Max

Included Tools

Reciprocating Saw

Dimensions

15 × 9 × 5 inches

View on Amazon: Milwaukee M12 Cordless Reciprocating Saw Kit Affiliate link

This Milwaukee 2520-21XC kit includes a 12-volt M12 Fuel Hackzall reciprocating saw. The tool measures 15 inches in length, 9 inches in width, and 5 inches in height. It comes with a battery kit. This setup is designed for users who need a compact, cordless cutting solution. The brushless motor offers efficient power. It is a solid option for general cutting tasks around the home or job site.

Pros

• Includes M12 12V battery kit
• 15-inch overall length for reach
• Brushless motor for efficiency
• Compact 9x5 inch tool body

Cons

• Only includes one reciprocating saw
• No additional accessories listed
• Single tool in the kit

Good fit if

• You need a dedicated reciprocating saw
• You already own M12 batteries
• You prefer a compact cutting tool

Skip if

• You want a multi-tool combo kit
• You need a 18-volt system
• You require multiple tools in one box

Verdict: Milwaukee M12 Fuel Hackzall Reciprocating Saw is a focused choice for users who specifically need a single, powerful cutting tool. It suits those who value the M12 system and do not require a broader set of tools.

3 Best budget

Milwaukee M12 12V Hackzall Tool

Best for: Existing Milwaukee 12V battery owners

Power Source

12-Volt

Tool Weight

2.14 pounds

Tool Length

10 inches

Variable Speed Trigger

Variable-speed trigger

Voltage

12V Max

Included Tools

Reciprocating Saw

View on Amazon: Milwaukee M12 12V Hackzall Tool Affiliate link

This is the Milwaukee 2420-20, a 12-volt cordless reciprocating saw sold as a bare tool. It weighs 2.14 pounds and measures 10 inches long. The variable-speed trigger gives you control over the cut. A fuel gauge shows remaining battery life. It accepts both HACKZALL and SAWZALL blades. You need a compatible 12-volt battery to operate it.

Pros

• Variable-speed trigger for controlled cutting
• Accepts both HACKZALL and SAWZALL blades
• Battery fuel gauge displays run time
• Compact 10-inch tool length

Cons

• Sold as a bare tool without battery
• Heavier than some compact 12V alternatives
• No included carrying case or storage

Good fit if

• You already own Milwaukee 12-volt batteries
• You need a lightweight reciprocating saw
• You want blade compatibility with older models

Skip if

• You need a complete kit with battery
• You prefer a brushless motor option
• You require a longer stroke length

Verdict: Milwaukee 12V Hackzall Bare Tool fits users who already have 12-volt batteries and want a versatile saw. It offers blade flexibility and a fuel gauge in a compact package.

4 Best premium

Bosch 12V Max 3-Tool Combo

Best for: compact overhead work and tight spaces

Power Source

12V Max

Strokes Per Minute

0-3,000 SPM

Battery Included

2 batteries and charger included

Battery Capacity

2.0 Ah

Tool Weight

2 pounds

Number of Tools

3-Tool

View on Amazon: Bosch 12V Max 3-Tool Combo Affiliate link

The Bosch GXL12V-310B22 is a 12V Max 3-tool set including a drill/driver, reciprocating saw, and work light. It comes with two 2.0 Ah batteries and a charger. The drill delivers 265 inch-pounds of torque in a 2-pound body. The saw offers 0-3,000 SPM. This kit suits users needing compact tools for tight spaces and overhead work.

Pros

• Includes three tools: drill, saw, and light
• Drill weighs only 2 pounds for easy handling
• Reciprocating saw reaches 3,000 strokes per minute
• Comes with two 2.0 Ah batteries and charger

Cons

• Drill chuck size is limited to 3/8 inch
• Battery capacity is 2.0 Ah, which is modest
• Saw strokes per minute max out at 3,000

Good fit if

• You need a compact drill for tight spaces
• You want a lightweight saw for overhead use
• You require a complete 3-tool starter set

Skip if

• You need a 1/2 inch drill chuck
• You require high-capacity batteries over 2.0 Ah
• You need a reciprocating saw over 3,000 SPM

Verdict: Bosch 12V Max 3-Tool Combo Kit is a practical choice for users who prioritize compactness and balance in their 12V tools. It fits those who work in tight spaces or overhead positions and need a drill with 265 inch-pounds of torque.

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