Complete cordless SDS-Plus drilling and chiselling kit for concrete fixing, M&E installation, construction and maintenance applications
The Milwaukee M18 FHX-552X is a professional 18V SDS-Plus rotary hammer kit designed for contractors, electricians, HVAC installers, plumbers and maintenance engineers who require a high-performance cordless drilling solution. Powered by Milwaukee’s POWERSTATE™ brushless motor, REDLITHIUM™ HIGH OUTPUT™ batteries and REDLINK PLUS™ electronics, the tool delivers 2.5 J of impact energy and a maximum percussion rate of 4,800 bpm. With a concrete drilling capacity of 26 mm, it is suitable for anchor installation, cable tray fixing, pipe support systems and structural fastening applications where mobility and productivity are critical.
The FIXTEC™ quick-change chuck system enables rapid switching between SDS-Plus accessories and a 13 mm metal chuck, allowing both hammer drilling and conventional drilling operations from a single machine. AUTOSTOP™ technology helps protect the user during bind-up situations by stopping the tool if excessive rotational movement is detected. An all-metal gear case improves durability under continuous heavy-duty use, while four operating modes provide rotary hammer drilling, rotation-only drilling, hammer-only chiselling and variolock chisel positioning. Milwaukee states that the tool can drill up to 125 holes measuring 10 x 50 mm on a single M18 HIGH OUTPUT™ 5.5 Ah battery charge, making the supplied dual-battery kit particularly suitable for full-day site work.
Specifications:
- Manufacturer: Milwaukee
- Model: M18 FHX-552X
- Article Number: 4933478889
- EAN: 4058546361716
- Platform: Milwaukee M18 FUEL™
- Motor type: POWERSTATE™ Brushless
- Tool holder: SDS-Plus
- Impact energy (EPTA): 2.5 J
- Maximum percussion rate: 4,800 bpm
- Maximum drilling capacity in concrete: 26 mm
- Maximum drilling capacity in wood: 28 mm
- Maximum drilling capacity in steel: 13 mm
- Operating modes: 4
- Vibration drilling: 15.9 m/s²
- Vibration chiselling: 14.2 m/s²
- Safety system: AUTOSTOP™
- Chuck system: FIXTEC™ quick-change
- Dust extractor compatibility: M18 FCDDEXL / M18 FDDEXL
Package Contents:
- 1 x Milwaukee M18 FHX SDS-Plus Rotary Hammer
- 2 x Milwaukee M18 HIGH OUTPUT™ HB5.5 Battery Packs
- 1 x Milwaukee M12-18 FC Fast Charger
- 1 x Dynacase 3 Carry Case
Note: The M18 FHX-552X is fully compatible with all Milwaukee M18™ REDLITHIUM™ battery packs. The supplied HIGH OUTPUT™ 5.5 Ah batteries are optimised for FUEL™ high-demand tools and provide increased power delivery during heavy SDS-Plus drilling applications. The tool is also compatible with Milwaukee M18 FCDDEXL and M18 FDDEXL integrated dust extraction systems for drilling in environments requiring dust control.












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