The National Helix Planetary Grinder is designed for small spaces and detail work where precision matters. Compact yet powerful, this 16-inch dual-speed planetary grinder delivers exceptional surface preparation results—creating the perfect concrete profile for new coatings, overlays, and finishes. Its ergonomic design, edge-grinding capability, and easy transport make it a versatile choice for contractors and flooring professionals.
Specifications
✔️ Working width: 17.5" / Disk size: 16" ✔️ Adjustable height: 29.4"–47.6" ✔️ Length: 27.9"–47" ✔️ Weight: 206 lbs ✔️ Grinding pressure: 128 lbs ✔️ Drum RPM (120V): 304/171 | (230V): 291/164 ✔️ Motor RPM (120V): 3339/1871 | (230V): 3200/1800 ✔️ Motor: 1.5 HP single phase, 120V, 12 Amps
Key Features
✔️ Fully adjustable handle for operator comfort and compact transport ✔️ Quick-release levers allow tool separation for easy transport ✔️ Edge-grinding capability within ½" of the wall ✔️ Floating 16" tooling assembly follows floor contours ✔️ Dual-speed motor for versatile grinding and polishing applications ✔️ Integrated LED light for improved visibility ✔️ Removable weights allow customizable grinding pressure
✔️ Quick-release transport system for portability ✔️ Floating head ensures even surface preparation ✔️ LED lighting for low-light job sites ✔️ Adjustable handle and removable weights for balance and control
The Helix Planetary Grinder provides the versatility and power to handle detailed prep work and small-space grinding while maintaining professional-grade finish quality—ideal for concrete surface prep, coating removal, and polishing applications.