Brands Guides About
MSI SG0470 7-Inch Pneumatic Angle Sander — main product image
MSI

MSI SG0470 7-Inch Pneumatic Angle Sander

★★★★★4.4 (2 reviews)

A pneumatic 7-inch angle sander built with an aluminum body and adjustable speed for heavy-duty surface prep.

Check availability
Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

The MSI SG0470 is a pneumatic 7-inch angle sander designed for heavy-duty surface preparation tasks in auto body shops, fabrication facilities, and industrial maintenance settings. Powered by compressed air at 90 PSI, it delivers up to 4,500 RPM through a standard 5/8"-11 spindle thread, accepting widely available 7-inch sanding discs and pads. The built-in speed regulator gives operators the ability to dial back RPM when working on softer materials or thinner panels, reducing the risk of gouging or heat damage.

Constructed with a lightweight aluminum body, the SG0470 is built to handle extended sanding sessions without excessive operator fatigue. Its ergonomic design positions the weight and grip for comfortable one- or two-handed operation during tasks like stripping rust, smoothing welds, and leveling body filler. The tool requires 10 CFM of air consumption through a 3/8-inch hose, which means a mid-size or larger shop compressor is necessary for sustained operation. For professionals who already have adequate air supply infrastructure, the SG0470 offers a durable, no-nonsense sanding solution for daily surface prep work.

Key Features

Automatic release throttle lever

Heavy duty construction

Built-in speed regulator

5/8 - 11 spindle thread

Handle will fit left or right sides

Specifications

Pad Size
7 inches
Spindle Thread
5/8" - 11
Speed
4,500 RPM
Air Hose Size
3/8"
Air Pressure
90 PSI
Air Consumption
10 CFM
Body Material
Aluminum

Pros & Cons

👍 Pros

  • The lightweight aluminum body reduces operator fatigue during long sanding sessions.
  • Built-in speed regulator allows fine-tuning RPM for different surfaces and abrasives.
  • The 5/8"-11 spindle thread is an industry standard, making replacement pads easy to source.
  • Pneumatic power delivery eliminates concerns about motor burnout during sustained heavy use.
  • The 7-inch pad size covers large surface areas quickly for efficient material removal.

👎 Cons

  • Requires a compressor capable of 10 CFM at 90 PSI, which rules out smaller portable units.
  • At 4,500 RPM maximum, it is slower than some competing pneumatic sanders in this size class.
  • The 3/8-inch air hose requirement adds bulk and can limit maneuverability in tight spaces.
  • No dust collection system is included, so surface prep creates significant airborne debris.

Frequently Asked Questions

It requires a compressor that can deliver at least 10 CFM at 90 PSI through a 3/8-inch air hose. Undersized compressors will cause the sander to stall or lose speed under load.
It accepts 7-inch sanding discs and pads with a 5/8"-11 spindle thread, which is the standard threading for most 7-inch abrasive accessories.
Yes, it features a built-in speed regulator that lets you adjust the operating speed up to its maximum of 4,500 RPM, giving you control for different materials and tasks.
The sander uses a lightweight aluminum body to reduce fatigue during prolonged operation, though exact weight is not specified. Its ergonomic design is intended for extended sanding sessions.
While it is primarily designed for sanding tasks like rust removal, weld smoothing, and body filler work, you could mount compatible 7-inch polishing pads on the 5/8"-11 spindle for light polishing.

Related Products