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Milwaukee 1-3/4 in. SDS Max Demolition Hammer

Original price was: $487.00.Current price is: $97.40.

SKU: 5446-21 Category: Tag:

Description

Continuous floor slab breaking fractures standard electric breakers while numbing worker hands. The Milwaukee 1-3/4 in. SDS Max Demolition Hammer delivers hard-hitting breaking energy to bust concrete foundation walls and footing pads. Powered by a 14-amp motor, this demolition hammer yields 8.8 ft-lbs of impact energy. Pulling the trigger with the chisel unweighted against concrete causes violent internal striker bounces that crack the retainer barrel.

A precision-machined steel gear housing encloses a heavy-duty crankshaft linked to an electro-pneumatic striker piston. The SDS-Max tool chuck features hardened alloy steel locking pawls ground to resist severe axial hammering wear. Dual armature bearing seals block conductive silica dust from entering motor windings. Active Vibration Control links the rear handle to an internal spring dampener that isolates linear recoil shock. Baked grease inside the striker cylinder causes erratic impact rhythm and complete loss of kinetic strike energy in cold morning air.

Concrete Demolition Mechanical Hardware Array

Concrete chipping crews require continuous linear impact without tool rotation to bust mortar beds and floor tiles. The internal mechanical layout pairs high-velocity piston drive with simple bit retention.

  • 14-amp electric motor delivers reliable kinetic impact power under continuous concrete demolition loads
  • SDS-Max tool holder accepts heavy demolition bull points, cold chisels, and bushing tools firmly
  • Active Vibration Control system decouples the handle from the frame to reduce cyclic operator fatigue
  • Constant speed electronics maintain impact velocity under heavy downward mechanical chisel loads
  • Service reminder light indicates carbon brush wear approximately eight hours before tool shut-off
  • Twelve-position bit angle settings lock chisels at the optimum attack angle for floor and wall work
  • Ergonomic rubberized grip handle dampens continuous vibration transfer into the operator hand axis

Kinetic Piston Telemetry Load Analysis

Electrical draw stabilizes at 14 amps under continuous concrete breaking at maximum load. Impact frequency cycles at 2,840 blows per minute driven by the air-cushioned piston assembly. Mechanical kinetic energy outputs 8.8 ft-lbs per blow into structural concrete slabs. Continuous internal air compression raises gear casing surface temperatures to 140°F during extended demolition runs. The SDS-Max drive spline withstands up to 65 ft-lbs of off-axis pry torque. Sound pressure measures 95 dBA at operator ear level.

Masonry Demolition Field Care Directives

Heavy chipping hammers require regular bit shank lubrication to preserve internal retainer splines. Plumbers drilling round holes in foundation walls must not purchase this tool because it lacks a rotary drilling mode. Prying heavy slabs with the chisel shank while running the hammer will snap the tool bit inside the SDS-Max chuck.

  • Coat the shank of every SDS-Max chisel with high-temperature hammer grease before chuck insertion
  • Blow concrete dust out of the rear motor ventilation slots using dry compressed air weekly
  • Inspect the SDS-Max chuck retainer sleeve for axial play to prevent loose bit retention failures

Commercial Warranty Terms Kit Inventory

Milwaukee backs this demolition hammer with a 5-Year limited commercial warranty covering manufacturing and material defects. The complete packaged kit contains the 1-3/4 in. demolition hammer, an auxiliary side handle, a durable carrying case, and the official user instruction manual.