Comparison · 2026
Milwaukee M18 FUEL 2836-20 vs Fein MultiMaster MM 700 Max: Oscillating Multi Tools Compared
Researched by Dmitrii Pakhomov and Daria Govorina · SavingsHook editorial · Published October 16, 2026
The short answer
Verdict based on specifications, manufacturer documentation and owner reviews. We did not lab-test these products.
| Product | Key specs | Main drawback | Not for |
|---|---|---|---|
| Milwaukee M18 FUEL Oscillating Multi-Tool | 10,000-20,000 OPM no-load speed 4.2-degree oscillation angle 10-setting speed dial with Auto-Load feature | Bare tool only — no battery or charger in the box, and Starlock-only blades will not fit. | Buyers not already on M18 batteries. |
| Fein MultiMaster MM 700 Max 450W Corded StarlockMax Oscillating Multi-Tool | 450 W motor 10,000-19,500 opm StarlockMax mount | StarlockMax accessories cost more than universal-fit ones, and the large grip suits bigger hands. | Occasional users — capable corded tools cost far less. |
| Skil OS5920B-10 PWR CORE 20 Brushless 20V Cordless Oscillating Multi-Tool Kit | 20V MAX lithium-ion battery platform 11,000-17,000 OPM (oscillations per minute) 3.6-degree oscillating angle | The threaded-pin blade change feels clunky, and it is slow in metal. | Starlock blade owners — those blades do not fit. |
How we picked these products
We compare product identity, specifications, pros/cons and retailer links. Until approved retailer API access is available, current Amazon price, star-rating and review-count data are not republished here.
Prices at a glance
| Product | Price | Stores |
|---|---|---|
| Milwaukee M18 FUEL Oscillating Multi-Tool | Price not listed | 6 stores |
| Fein MultiMaster MM 700 Max 450W Corded StarlockMax Oscillating Multi-Tool | Price not listed | 4 stores |
| Bosch GOP40-30C (StarlockPlus 4.0 Amp Corded Oscillating Multi-Tool Kit with 30-Piece Accessories) | Price not listed | 6 stores |
| Skil OS5920B-10 PWR CORE 20 Brushless 20V Cordless Oscillating Multi-Tool Kit | Price not listed | 6 stores |
| AVID POWER 3.5-Amp Oscillating Multi Tool | Price not listed | 4 stores |
| Metabo HPT CV18DBL 18V MultiVolt Brushless Cordless Oscillating Multi-Tool (Tool Body Only) | Price not listed | 5 stores |
Prices are snapshots. Check the current price with the store.
Swing is supposed to be what the premium buys. Across these six — three corded, three cordless, two sold without a battery — the money buys accessory ecosystems, vibration control and warranty length.
Milwaukee M18 FUEL 2836-20
On the 2026 test track it placed second in yellow pine (2.96 s) and copper pipe (9.85 s), and vibration placed third. Its 4.2-degree swing and 10,000–20,000 OPM top the class, and Auto-Load ramps speed once the blade bites. Pro Tool Reviews rated its vibration control as good as the Fein SuperCut Cordless, and one owner says it is the only multi-tool that does not leave his hand numb. The knocks: OPEN-LOK uses a threaded bolt that is slower than most tool-free blade changes, and Starlock-only accessories do not fit. Five-year tool warranty.
Fein MultiMaster MM 700 Max
The corded pick for all-day cutting, sanding and scraping work. Its 450 W motor drives the widest swing Fein makes — 2 × 2.0 degrees — at 10,000–19,500 OPM, and the StarlockMax mount also takes Starlock and StarlockPlus blades, about 180 Fein accessories. An all-metal gearbox and a tacho generator hold the speed steady when the blade loads, and the QuickIN clamp swaps accessories in under 3 seconds. Testing the cordless sibling, Pro Tool Reviews wrote that Fein set the vibration-control benchmark and it took rivals years to come close. Owners flag the large grip diameter and 3.53 lb heft, and StarlockMax blades typically cost more than universal-fit ones. The FEIN PLUS warranty runs three years with registration.
Bosch GOP40-30C
The mid-range corded kit. A 4.0-amp corded motor, 8,000–20,000 OPM and a 3.0-degree arc on Bosch’s StarlockPlus mount. The catch is the ecosystem: StarlockPlus and Starlock blades fit, StarlockMax blades do not, and Bosch points anyone who needs those to the GOP55-36. At 3.3 lbs it is light for shop work, and the brushes are owner-accessible. Some owners report it runs hot during long sessions, and the warranty is only one year. ToolGuyd called it a better value than the Fein MultiMaster in 2017, though it judged Fein slightly better outright.
Skil OS5920B-10
The budget cordless kit. A 20V PWR CORE 20 brushless tool with a 2.0Ah battery and charger in the box, 11,000–17,000 OPM and a 3.6-degree swing. At 1.75 lbs bare — 2.56 lbs with the pack — it was the lightest tool in both 2026 tests, and the 5-year warranty is long for this class. Starlock blades do not fit, ruling out owners of those ecosystems. Testers found it confident in trim, PVC, EMT and drywall; Concord Carpenter noted it is slow in metal.
Avid Power 3.5-Amp Oscillating Multi-Tool
The tool-free lever, left- or right-handed auxiliary handle and spare carbon brushes are real features at this price. Consumer Reports lab-tested the tool but keeps its score behind a paywall; its category leaders at check time were Flex, FEIN, DeWalt and Dremel. The warranty is one year, extendable by six months with registration.
Metabo HPT CV18DBL
The platform add-on with the lifetime warranty. An 18V brushless bare tool that runs on Metabo HPT 18V slide packs and MultiVolt batteries, with 6,000–20,000 OPM, a 3.2-degree angle and AUTO mode that ramps from 15,000 OPM unloaded to 20,000 under load. The tool-body warranty is lifetime with registration; batteries and chargers are separate purchases. In a 2026 comparison of fifteen cordless tools, the successor won the noise category at 69.3 dBa and took Best Value at 92% of the top score. Owners praise Metabo HPT durability and warranty service.
Who should buy which
Already on M18 batteries: the Milwaukee 2836-20. The verified performance play — runner-up in a 2026 head-to-head, five-year warranty. Buy OPEN-LOK or universal-fit blades; Starlock-only packs will not fit.
All-day corded shop work: the Fein MM 700 Max. Widest swing Fein makes, metal gearbox, benchmark vibration control. Budget for StarlockMax accessories, and check the grip diameter if you have smaller hands.
A corded kit that is ready out of the box: the Bosch GOP40-30C. Do not buy it for StarlockMax blades.
Lightest here, five-year warranty, slow blade changes.
No outlet has published cut-speed or vibration data; buy it for the angle, the speeds and the price.
Prices and specs collected from manufacturer/retailer listings and public reviews; always confirm current price and stock on the linked page before buying.
