Description
Clear tree roots, scale buildup, and solid blockages from commercial drain pipes and wash-bay lines without water jetting mess. The Ridgid KM-1004 FlexShaft Milling Machine kit cleans pipes from 1-1/4 inch to 4-inch diameters across a 100-foot reach. This portable flex-shaft unit spins carbide knockers. It requires an external 18V cordless drill running at 1800 to 2500 RPM to operate.
A durable polyethylene casing houses the 100-foot 5/16-inch flexible steel shaft, keeping wet pipe slime contained inside the drum during transport. High-tensile inner core steel cables spin inside a heavy chemical-resistant outer nylon sheath, transferring high rotational torque without cable binding. Expanding carbide chain knockers spin at drill speed, scouring pipe walls clean of grease and root intrusions. Simultaneous in-pipe camera inspection monitors cleaning progress in real time.
Key Features of Ridgid 79773
Grounds maintenance crews and facility plumbers use this flex-shaft milling machine to clear clogged wash-bay drains and commercial drain lines. The wall-to-wall chain knockers restore full pipe flow.
- 1-1/4 inch to 4-inch pipe cleaning capacity clears grease, scale, and heavy tree root intrusions
- 100-foot 5/16-inch sheathed flexible shaft allows wall-to-wall pipe cleaning and descaling
- Expanding carbide chain knockers grind through roots and hard mineral scale deposits
- Powered by standard commercial 18V cordless drills running at 1800 to 2500 RPM
- Enclosed drum housing contains wet drain grime to keep service vans and shop bays clean
- Permits simultaneous in-pipe camera inspection while cleaning to verify total blockage removal
- Quick-adjust clutch mechanism protects the inner steel flex shaft against torque overloads
FlexShaft Pipe Milling Dyno Telemetry
Torsional testing confirms shaft torque transfer up to 180 inch-pounds before clutch disengagement. Chain knocker rotational speed clocks 2200 RPM under load inside 4-inch schedule 40 PVC pipe. Root cutting trials verify full clearing of 2-inch fibrous root masses within 45 seconds of knocker contact. Shaft sheath friction generates under 12 degrees Fahrenheit of thermal rise across 100 feet. Operating noise registers 72 dBA at the drum.
Drain Cleaning Safety Setup Directives
Set your 18V cordless drill clutch to match pipe diameter recommendations and hold the drill firmly with both hands. Feed the sheathed cable into the pipe entry before depressing the drill trigger to prevent whipping accidents. Do not operate this flex-shaft unit in corrugated plastic drain pipes or pipes exceeding 4-inch diameter.
- Flex-shaft cable sheath requires wipe-downs with disinfectant spray after each pipe job
- Inner steel core cable requires light lubricant penetration every fifty operating hours
- Carbide chain knocker links demand inspection for missing carbide inserts before every run
Ridgid FlexShaft Machine Warranty Manifest
Ridgid backs this FlexShaft machine with a Lifetime commercial warranty against material defects and factory workmanship. The kit includes the KM-1004 machine, 100-foot cable, carbide chain knockers, lubricant, and manual.