National Blast Supply

NBS Brown Aluminum Oxide — 120 Grit (50 lb Bag)

MPN: NBS-AO120B-50

$44.99 $57.99
Direct Shipment from Manufacturer
Brown Aluminum Oxide — 120 Grit (Fine) Fine-grade aluminum oxide for precision cleaning, light deburring, and surface finishing where a smooth profile is required.
Free shipping on orders over $2,500
Manufacturer warranty included
Ships in 3-5 business days
Questions? (307) 832-5565
Accepted Payment Methods:

Brown Aluminum Oxide — 120 Grit (Fine)

Fine-grade aluminum oxide for precision cleaning, light deburring, and surface finishing where a smooth profile is required. The 120 grit provides excellent cleaning action without aggressive material removal, making it ideal for delicate parts, thin metals, and applications where surface integrity must be preserved.

Key Features

  • 120 grit — fine grade for precision work
  • Gentle cleaning without substrate damage
  • Creates 1.0–1.5 mil anchor profile
  • Safe for thin-walled and delicate parts
  • Recyclable 8–12 times in cabinet systems
  • Minimal dust and low media consumption
  • ANSI B74.12 graded

Specifications

Spec Value
Grit Size 120 (106–125 microns)
Type Brown Fused Aluminum Oxide
Shape Angular/Sub-angular
Hardness 9.0 Mohs / 2100 Knoop
Bulk Density 116 lbs/ft³
Specific Gravity 3.9 g/cm³
Al₂O₃ Content ≥95%
Bag Weight 50 lbs

Applications

  • Precision part cleaning
  • Light deburring and edge blending
  • Thin metal surface preparation
  • Electronics and PCB cleaning
  • Dental and medical device finishing
  • Optical component preparation

Shipping & Delivery

National Blast Supply offers free shipping on all orders over $2,500 within the contiguous United States.

Order Processing

3-5 business days handling time

In Transit

5-7 business days shipping via freight carrier

Total Estimated Delivery

8-10 business days from time of order

Depending on seasonality and availability, shipping times may vary. You will receive tracking information once your order has shipped. For questions about shipping to your area, please contact us at (307) 832-5565 or sales@nationalblastsupply.com.

Warranty & Returns

All products sold by National Blast Supply carry the full manufacturer warranty. Warranty terms vary by manufacturer and product. Please contact us for specific warranty details on this item.

Defective or Damaged Products

If you receive a defective or damaged product, please contact us within 48 hours of delivery at (307) 832-5565 or sales@nationalblastsupply.com. We will work with the manufacturer to resolve the issue promptly.

Returns

Returns of unused, undamaged products may be accepted within 30 days of delivery. A restocking fee may apply. Please contact us before returning any item. For full details, see our Refund & Return Policy.

Questions About This Product?

Our equipment specialists are happy to help you determine if this product is right for your application.

Call Us (307) 832-5565

Monday - Friday, 8:00 AM - 5:00 PM MST

Email Us sales@nationalblastsupply.com

We respond within 24-48 hours on business days

We can also provide custom quotes for bulk orders or special configurations.

Brown Aluminum Oxide — 120 Grit (Fine)

Fine-grade aluminum oxide for precision cleaning, light deburring, and surface finishing where a smooth profile is required. The 120 grit provides excellent cleaning action without aggressive material removal, making it ideal for delicate parts, thin metals, and applications where surface integrity must be preserved.

Key Features

  • 120 grit — fine grade for precision work
  • Gentle cleaning without substrate damage
  • Creates 1.0–1.5 mil anchor profile
  • Safe for thin-walled and delicate parts
  • Recyclable 8–12 times in cabinet systems
  • Minimal dust and low media consumption
  • ANSI B74.12 graded

Specifications

Spec Value
Grit Size 120 (106–125 microns)
Type Brown Fused Aluminum Oxide
Shape Angular/Sub-angular
Hardness 9.0 Mohs / 2100 Knoop
Bulk Density 116 lbs/ft³
Specific Gravity 3.9 g/cm³
Al₂O₃ Content ≥95%
Bag Weight 50 lbs

Applications

  • Precision part cleaning
  • Light deburring and edge blending
  • Thin metal surface preparation
  • Electronics and PCB cleaning
  • Dental and medical device finishing
  • Optical component preparation

Shipping & Delivery

National Blast Supply offers free shipping on all orders over $2,500 within the contiguous United States.

Order Processing

3-5 business days handling time

In Transit

5-7 business days via freight carrier

Total Estimated Delivery

8-10 business days from order

Shipping times may vary. Contact us at (307) 832-5565 or sales@nationalblastsupply.com.

Warranty & Returns

All products carry the full manufacturer warranty. Contact us for specific warranty details.

Defective or Damaged Products

Contact us within 48 hours of delivery at (307) 832-5565.

Returns

Returns accepted within 30 days. Restocking fee may apply. See our Refund Policy.

Questions About This Product?

Our equipment specialists are happy to help.

Call Us (307) 832-5565

Mon - Fri, 8AM - 5PM MST

Email Us sales@nationalblastsupply.com

Response within 24-48 hours

Need Help Choosing the Right Equipment?

Our specialists can help you find the perfect attachment for your machine and application.