$185.27 CAD
$231.59 CAD
Astro Pneumatic AST-322P ONYX 6" Finishing Palm Sander top angle view with yellow PSA backing pad
Astro Pneumatic AST-322P ONYX 6" Finishing Palm Sander held in hand with air hose connected
Astro Pneumatic AST-322P ONYX 6" Finishing Palm Sander in-hand side view with air hose attached
Astro Pneumatic AST-322P ONYX Palm Sander easily removable paddle lever closeup
Astro Pneumatic AST-322P ONYX Palm Sander easily removable paddle lever detail view
Astro Pneumatic AST-322P ONYX 6" Finishing Palm Sander, 3/16" Stroke
Astro Pneumatic AST-322P ONYX 6" Finishing Palm Sander, 3/16" Stroke
Astro Pneumatic AST-322P ONYX 6" Finishing Palm Sander, 3/16" Stroke
Astro Pneumatic AST-322P ONYX 6" Finishing Palm Sander top angle view with yellow PSA backing pad
Astro Pneumatic AST-322P ONYX 6" Finishing Palm Sander held in hand with air hose connected
Astro Pneumatic AST-322P ONYX 6" Finishing Palm Sander in-hand side view with air hose attached
Astro Pneumatic AST-322P ONYX Palm Sander easily removable paddle lever closeup
Astro Pneumatic AST-322P ONYX Palm Sander easily removable paddle lever detail view
Astro Pneumatic AST-322P ONYX 6" Finishing Palm Sander, 3/16" Stroke
Astro Pneumatic AST-322P ONYX 6" Finishing Palm Sander, 3/16" Stroke
Astro Pneumatic AST-322P ONYX 6" Finishing Palm Sander, 3/16" Stroke

Astro Pneumatic AST-322P ONYX 6" Finishing Palm Sander, 3/16" Stroke

SKU: AST-322P
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Sale price
$185.27 CAD
Regular price
$231.59 CAD
You save
$46.32 CAD (21%)

In stock! Usually ships in 24 to 48 hours.
Est. Arrival Nov 18 - Nov 20
Pickup available at Edmonton Warehouse

Usually ready in 4 hours

Check availability at other locations
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The Astro Pneumatic ONYX AST-322P is a 6-inch finishing palm sander engineered for professional-grade surface finishing in automotive, woodworking, and industrial applications. Powered by compressed air at 90 PSI, it delivers a free speed of 10,000 RPM with a 5mm (3/16") orbital stroke to produce a smooth, swirl-free final finish. Weighing just 1.5 lbs, this ultra-compact sander is designed for extended use with minimal operator fatigue. Its sealed bearings, composite housing, and low-vibration construction ensure reliable long-term performance in demanding shop environments.

Features

  • High-powered air motor delivers consistent 10,000 RPM free speed

  • 5mm (3/16") orbital stroke assures a final swirl-free finish

  • Super lightweight at only 1.5 lbs for reduced operator fatigue

  • Sealed bearings for extended service life

  • Built-in speed regulator for precise speed control

  • Compact and lightweight motor designed for long-term continuous operation

  • Composite lever housing and rotors for enhanced durability

  • Special design reduces sound level for a quieter working environment

  • Low vibration for increased comfort during prolonged use

  • Easily removable lever for convenient operation and access

Specifications

Pad Size: 6"
Free Speed: 10,000 RPM
Stroke: 5mm (3/16")
Net Weight: 1.5 lbs (0.68 kg)
Overall Length: 6" (15.24 cm)
Air Pressure: 90 PSI
Average Air Consumption: 5.5 CFM
Air Inlet Thread (NPT): 1/4"
Air Hose I.D. Size: 3/8" (10 mm)
Spindle Thread Size: 5/16" x 24
Power Source: Air powered

Includes

1x Astro Pneumatic ONYX 6" Finishing Palm Sander (AST-322P)
1x 6" PU PSA Backing Pad (Astro #4608)

Shipping

  • We will usually ship your order in 1 to 2 business days! Orders purchased before 2:00 pm EST may be shipped the same day.
  • Your order must have a subtotal of $199 or more to be eligible for free shipping.
  • The delay of your order will depend on your location and from which warehouse your order is shipped from. We will always ship your order from the closest available warehouse. Based on our experience, we estimate the transit time to be between 1 to 3 business days across Canada (excluding NWT, Yukon and Nunavut) and 2 to 5 business days to USA.
  • All orders will be shipped from Canada.
  • You may pick up your order at one of our warehouses, Monday to Friday, from 8 am to 5 pm. Pickup orders are usually ready within 4 hours.

Returns

We are offering a 30-day money-back guarantee!

If you are not satisfied with your purchase within 30 days of receiving the product, you can ship it back to us for a refund or exchange.

Before returning the item, kindly send us a request using the Self-Serve Return option or contact our customer support team to get your return authorization. You may contact us by email at support@mprtools.com, phone at 1-800-905-0410, or chat through our website. We are available Monday to Friday from 8 am to 5 pm ET.

We want to guarantee your experience with us will be outstanding. Here are just a few of the reasons why mprtools.com is the go-to company to get your tools from:

1-Year Price Match Guarantee

We work very hard to ensure we offer the absolute best prices online. If you find it at a lower price somewhere else within 365 days of purchasing, please message us, and we’ll credit you back the difference right away.

30-Day Money-Back Guarantee

It's our duty to provide superior quality tools you can trust to get the job done. If you're not fully satisfied with your order, you can request a return for a complete reimbursement.

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