Quick Answer: Who Invented the Sawzall?
The Sawzall was developed in 1951 by Milwaukee Electric Tool engineers Edward Ristow (the company’s chief engineer) and Jerome Schnettler. Introduced in 1951, it was the first portable electric reciprocating hacksaw, engineered to replace manual hacksaws for electricians, plumbers, and industrial pipefitters.
Pros
- Fast, tool-friendly blade changes with the lever-actuated clamp
- LED work light adds visibility during cutting
- Durability-focused battery connection helps support long-term use
- Bare tool only format can be a cost-efficient choice for existing M18 users
Cons
- Battery and charger are not included
- No detailed performance specs such as stroke length, speed, or runtime are provided in the manufacturer listing
- Best suited for users already on the Milwaukee M18 platform
Overview & Design: The Milwaukee M18 FUEL Sawzall Brushless Cordless Reciprocating Saw is a bare-tool option built for users who want a cordless cutting tool without bundled power accessories. Its brushless design and reinforced battery connection suggest a focus on durability and long-term jobsite use.
Performance & Key Features: The wear-resistant, lever-actuated blade clamp is a practical feature for faster blade changes, while the built-in LED light helps improve visibility at the cut line. As a cordless reciprocating saw, it is aimed at demolition, remodeling, and general cutting tasks where mobility matters.
Drawbacks & Considerations: This version does not include a battery or charger, so it is best for buyers already using Milwaukee M18 tools. The manufacturer listing does not list deeper performance details such as runtime, stroke rate, or included accessories, so those factors should be checked before purchase.
Verdict: This is a sensible pick for Milwaukee M18 owners who want a brushless reciprocating saw with easy blade changes and a work light. It offers solid utility in a compact product summary, but the bare-tool format means it is less convenient for first-time buyers.
Pros
- Wide compatibility with major reciprocating saw brands.
- Versatile enough for branches, wood, plastic, and drywall.
- 5-blade pack offers good value for recurring cutting tasks.
- Long 9-inch format is useful for pruning and deeper cuts.
Cons
- The listing does not provide tooth count, blade thickness, or material details, so performance comparison is limited.
- Best suited to wood-based and light construction materials, so it may not replace a dedicated metal-cutting blade set.
- No user review details are available in the manufacturer listing, so long-term durability is harder to judge.
Overview: The KOWOOD 9-Inch Wood Pruning Saw Blades are a 5-piece reciprocating saw blade set made for wood-focused cutting tasks. The set is positioned for pruning, demolition, and general-purpose cuts, with compatibility across many major reciprocating saw brands.
Performance: Based on the product data, these blades are designed for fast cutting in tree branches, wood, plastic, and drywall. The 9-inch length should help with deeper reaches and pruning applications, while the multi-brand fit makes them easy to add to an existing saw setup.
Drawbacks: The listing does not provide technical details such as tooth count, blade material, or thickness. It also focuses on wood and light-material cutting, so buyers needing metal-cutting capability should look for a more specialized blade set.
Verdict: This is a practical option for homeowners, DIY users, and light-duty pros who need a simple pruning and demolition blade pack. It is most valuable when you want broad saw compatibility and straightforward cutting of branches and common construction materials.
Edward Ristow, Jerome Schnettler, and Milwaukee Tool Innovation
In the early post-World War II construction boom of the late 1940s, mechanical trades faced a major productivity bottleneck. Electricians, plumbers, and heating contractors spent hours manually sawing through steel pipes, heavy structural timbers, and metal conduit using hand hacksaws in cramped floor joists and wall cavities.
Recognizing the urgent need for a portable powered cutting tool, Milwaukee Electric Tool engineers Edward Ristow (chief engineer) and Jerome Schnettler in Milwaukee, Wisconsin, set out to design a mechanized hacksaw. In 1951, Ristow developed the wobble-plate mechanism and Schnettler prepared the production designs, converting the rotational energy of an electric motor into powerful reciprocating stroke motion.
Mechanical Design: The Birth of the Reciprocating Mechanism
Schnettler’s engineering innovation centered on a specialized wobble plate and slider-crank transmission housed within a rugged cast-aluminum gear case. Powered by a heavy-duty universal electric motor, the drive mechanism thrust an elongated steel saw blade forward and backward at high cycle speeds.
Milwaukee Tool introduced the machine to the American trade market in 1951 under the trademarked brand name ‘Sawzall’, a clever contraction signifying that the tool ‘saws all’ materials. The Sawzall featured a front-mounted adjustable shoe and interchangeable blades, allowing tradespeople to slice effortlessly through iron pipe, nails, plaster, sheet metal, and hardwood lumber in a fraction of the time required by hand tools.
Evolution of the Sawzall: From Corded Classic to M18 FUEL
Over subsequent decades, Milwaukee Electric Tool continually refined the Sawzall platform, introducing groundbreaking mechanical features that defined the entire reciprocating saw industry:
Orbital Cutting Action: Later models introduced variable orbital blade action, tilting the blade into aggressive elliptical arcs during wood cuts to dramatically accelerate cutting speed.
Quik-Lok Tool-Free Blade Clamps: Replacing manual Allen wrench collar screws, the Quik-Lok collar allowed operators to swap hot or bent blades instantly on active jobsites.
Cordless Revolution (M18 FUEL): Today, modern Milwaukee Sawzalls operate on high-capacity M18 REDLITHIUM battery packs and POWERSTATE brushless motors, outpowering vintage 15-amp corded models while eliminating extension cords. Those interested in handheld cutting machinery often contrast reciprocating saws with forestry timber tools like the MS 250 STIHL chainsaw, specialty tactical gear like the Noveske chainsaw, or utility hand held chainsaws for yard clearing.
Trademark vs Generic Term: The ‘Sawzall’ Legacy
Much like Kleenex or Xerox, ‘Sawzall’ achieved such overwhelming commercial dominance that it became a genericized trademark in trade slang. Construction workers and tradespeople universally refer to any reciprocating saw, whether manufactured by DeWalt, Makita, Bosch, or Ridgid, as a ‘Sawzall.’
However, Milwaukee Tool strictly maintains legal trademark ownership of the ‘Sawzall’ name, continuing to produce the premier industrial line at its global manufacturing facilities.
The Impact of the Sawzall on Emergency Rescue Operations
Beyond commercial construction and remodeling, the invention of the Sawzall permanently transformed vehicular extrication and structural rescue operations for municipal fire departments and search-and-rescue teams. Prior to portable reciprocating saws, first responders relied on heavy hydraulic spreaders, pneumatic air chisels, or manual pry bars to extract trapped passengers from mangled automotive wreckage. Equipped with bi-metal carbide-tipped demolition blades, the Sawzall allowed firefighters to slice cleanly through hardened steel B-pillars, windshield posts, and roof brackets in seconds without creating combustible sparks or jarring hydraulic pressure, saving countless lives during critical emergency extractions worldwide.
Advancements in Bi-Metal and Carbide Blade Technology
The true cutting capability of Schnettler’s reciprocating design was unlocked by simultaneous advances in metallurgy. Early carbon-steel hacksaw blades dulled rapidly when encountering hardened nails or cast-iron soil pipes. In subsequent decades, the development of electron-beam-welded bi-metal blades, and later, micro-welded carbide-tipped teeth, allowed reciprocating saws to power through thick stainless steel, cast iron, reinforced masonry, and fiberglass without snapping or losing cutting sharpness.
Frequently Asked Questions
What company makes the original Sawzall?
The original Sawzall is manufactured exclusively by the Milwaukee Electric Tool Corporation, which trademarked the name upon commercial launch in 1951.
Why was the Sawzall given that name?
Milwaukee Tool coined the name ‘Sawzall’ as a contraction of ‘saws all,’ highlighting the tool’s unique ability to cut through wood, metal, plaster, and pipe with interchangeable blades.
Is a reciprocating saw the same thing as a Sawzall?
Yes. ‘Reciprocating saw’ is the generic tool category name, while ‘Sawzall’ is the specific trademarked brand name created by Milwaukee Tool for its original reciprocating saw.
When was the first cordless Sawzall made?
Milwaukee Tool later introduced cordless Sawzalls, culminating in modern 18V lithium-ion brushless M18 FUEL models today.
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What is the difference between straight and orbital Sawzall cutting?
Straight cutting moves the blade purely back and forth, ideal for clean cuts in metal and pipe. Orbital cutting adds an aggressive upward oval motion to slice quickly through wood.
Background on Reciprocating Saw Safety
The history of a reciprocating saw is interesting, but its blade and cutting action deserve respect in daily use. Blades can bind or break, so take a moment with the general safety guidance for power tools from American National Standards Institute (ANSI) before you cut.
