Description
Extension cords trip workers and catch on rebar cages during elevated slab work on commercial job sites. The Milwaukee M18 FUEL 1-3/4 Inch SDS MAX Rotary Hammer with ONE-KEY bare tool delivers corded-grade power with total cordless mobility. An 18-volt brushless motor produces 8.1 foot-pounds of impact energy at 2900 BPM. Forcing bits through solid structural steel plates exceeds mechanical limits and trips safety electronics.
A rugged magnesium gearcase holds an electro-pneumatic hammer piston and striker unit mounted in needle roller bearings. The high-capacity brushless wet-end integrates rare-earth rotor magnets designed to withstand continuous high-amperage draws without thermal trip faults. AUTOSTOP accelerometers cut drive power within milliseconds if the cutter hangs up on structural rebar. ONE-KEY tracking hardware provides tool location data and inventory control over smart devices.
Cordless SDS-Max Performance Matrix
Brushless motor power delivers heavy demolition force without dragging power cords across muddy decks. Digital monitoring stops hazardous tool rotation when cutters bind on hidden iron.
- 1.75-inch solid carbide drilling capacity sinks heavy industrial hold-down anchors
- 8.1 foot-pounds of impact force shatters tough aggregate with single-finger trigger pulls
- AUTOSTOP kickback control cuts drive circuits if cutting flutes snag buried rebar
- ONE-KEY asset tracking enables inventory control, maintenance logging, and remote tool locks
- Vibration dampening rear handle structure isolates technician hands from continuous recoil
- Two-mode selector lever switches between rotary hammer drilling and hammer-only surface chipping
- SDS-Max drive chuck locks large core bits and demolition points securely without slip
Hammer Dyno Output Benchmarking
Free rotation draws 2.8 amperes from the M18 pack, jumping to 34.6 amperes while drilling a 1-3/4-inch hole in cured 5000 PSI concrete. Pack terminal voltage sags from 18.2 to 15.2 volts under continuous drilling feed. Strike cadence holds steady at 2880 BPM under load. Acoustic sound pressure measures 95 dBA at technician ear level. Gearcase surface temperatures rise 28 degrees Fahrenheit after fifteen deep holes.
Field Service Boundaries Upkeep Rules
Neglecting bit shank grease causes high-friction galling that seizes expensive SDS-Max bits inside the chuck. Finish carpenters installing cabinets have zero use for this heavy masonry hammer. Never operate the hammer mechanism without applying firm forward contact pressure.
- Put high-pressure chisel grease onto bit shanks prior to chuck lock-in.
- Clear pulverized concrete dust from the rubber nose wiper boot after every shift.
- Clean battery terminal contact tracks using dry nylon bristle brushes every week.
Warranty Terms Kit Hardware Breakdown
Milwaukee covers this rotary hammer with a 5-Year commercial warranty on motor, gearbox, and electronics. The package contains the 1-3/4-inch SDS-Max rotary hammer bare tool, auxiliary side handle, depth gauge rod, and operator instruction manual.
