Powermatic DS-20 20 inch Disc Sander
Are you struggling to maintain flat, consistent sanding results on larger workpieces?
What if your sanding setup gave you full control across a wide surface with predictable results?
Meet the Powermatic DS-20 Disc Sander, built to deliver efficient, controlled sanding for professional and serious shop use.
With direct drive power, a large 20 inch disc, and cast iron construction, it provides stability and consistent performance.
When your sanding stays controlled and repeatable, your parts come off the machine ready for final assembly or finish.

Powermatic DS-20 for Large Surface Disc Sanding
Direct Drive System Transfers Power Efficiently
The direct drive design connects the motor directly to the sanding disc for efficient power transfer. This reduces energy loss and maintains consistent disc speed under load. It helps deliver even material removal across the full surface. The result is more predictable sanding performance on larger workpieces.
20 Inch Disc Expands Sanding Capacity
The large 20 inch sanding disc provides a wide working surface for flattening and shaping. This allows better control when sanding larger panels or assemblies. Increased surface area improves accuracy and reduces repositioning. It supports more efficient workflow on bigger projects.
Tilting Cast Iron Table Supports Accurate Sanding
The adjustable work table tilts to accommodate bevel and angle sanding operations. Its cast iron construction provides a stable reference surface during use. This helps maintain consistent contact between the workpiece and disc. Operators can achieve more precise sanding angles with less deflection.
Brake System and Guard Improve Operation Control
A hand-activated brake allows the disc to stop quickly after operation. This improves safety and reduces waiting time between tasks. The swing-away guard makes abrasive changes faster and more accessible. Together, these features support smoother workflow and easier maintenance.



What’s Included
What’s Included? Powermatic DS-20 Disc Sander
- DS-20 Disc Sander – Provides controlled sanding for flat surfaces and edges.
- Tilting Cast Iron Table – Supports accurate bevel and angle sanding.
- Swing-Away Guard – Allows quick access for abrasive changes and maintenance.
- Miter Gauge – Guides material for consistent angle sanding (on select models).
Specs
Powermatic DS-20 Disc Sander Specifications
- Disc Diameter: 20 inch
- Disc Speed: 1720 RPM
- Dust Port Diameter: 4 inch
- Net Weight: 426 lbs
- Gross Weight: 490–529 lbs
- Warranty: 5 Year
- Prop 65: Cancer and Reproductive Harm
- Choose your Power:
- 2 HP, 1 Phase, 230V (Model DS20, Stock Number: PM9-1791276)
- 3 HP, 3 Phase, 230/460V (Model DS20-3, Stock Number: PM9-1791264)
- 3 HP, 3 Phase, 460V (Model DS20-4, Stock Number: PM9-1791264-4)