3M 31370 – 40 Grit Cubitron™ II Clean Sanding Abrasive Disc (6", 50 Pcs, Holes)
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Orders ship same or next business day. Free shipping on orders over $50. Orders under $50 ship for a $10 flat rate. Priority shipping available at checkout for $20.
Product Description
3M 31370 40 Grit Cubitron™ II Clean Sanding Abrasive Discs are extra-coarse sanding discs engineered for aggressive material removal, weld grinding, and heavy stock removal in automotive refinishing and industrial applications. Featuring 3M’s precision-shaped Cubitron™ II ceramic grain and Clean Sanding technology, these discs deliver rapid cut rates, reduced clogging, and extended disc life compared to conventional abrasives. The 6-inch diameter and pre-cut hole pattern make them ideal for use with random orbital sanders and dust extraction systems to improve efficiency and maintain a cleaner work area.
Key Features
- Abrasive: Excellent for heavy stock removal, weld blending, and aggressive sanding
- Grain: Fast cutting action with long abrasive life and cooler operation
- Technology: Reduces clogging and buildup for smooth, consistent performance 6"
- Holes: Optimized for use with random orbital sanders and dust collection systems 50-
- Pack: Great quantity for professional body shops and industrial finishing work
Frequently Asked Questions
What makes Cubitron II different from regular sandpaper?
Cubitron II uses precision-shaped ceramic grain that self-sharpens as it wears, cutting up to 2x faster and lasting up to 2x longer than conventional abrasives.
How long do Cubitron II sheets last?
Cubitron II typically lasts 2x or more compared to standard aluminum oxide abrasives because the ceramic grain self-sharpens rather than dulling.
How much material is on the roll?
Each roll provides 8.75 yards of 2.75-inch wide abrasive.
Technical Specifications
| Part Number | 31370 |
| Color | Purple |
| Size | 6 in |
| Grit | 40 |
| Dimensions | 6 in diameter |
| Application | Aggressive metal removal and weld grinding, Dust-Free Sanding, DA Sanding |
| Country of Origin | USA |
| SKU | 3M-31370 |
| Brand | 3M |
| Product Type | Sanding Disc |
Shipping & Returns
Shipping
- Orders ship same or next business day
- Free shipping on all orders over $50
- $10 flat rate shipping on orders under $50
- Priority shipping available for $20
Returns
- 30-day return policy on unused, unopened items
- Contact our support team to initiate a return
- Refund issued within 5 business days of receiving the return
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