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Free standard shipping on orders over $200 in the US Interstates.
Estimated to be shipped in 48 hours.
Other Market please contact us for details.We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
The Pinnacle of Highway Production
"High-horsepower road sawing is the ultimate test of a diamond blade's integrity. At Supreme Diamond Tools, we engineered the Supreme Grade series to withstand the massive torque of 65 HP walk-behind saws. By integrating our most advanced Drop Segment Protection and highest diamond concentration, we’ve created a blade that doesn't just cut—it dominates the most abrasive highway overlays and green concrete expansion joints in the industry."
— The Supreme Diamond Engineering Team
The Supreme Grade Asphalt Series is our highest-tier abrasive cutting solution, meticulously engineered for large-scale infrastructure and highway construction. These blades are purpose-built to survive the extreme core erosion (undercutting) that occurs during high-volume road sawing, ensuring maximum tool uptime and the lowest cost-per-linear-foot for professional paving contractors.
| Product Code | Diameter | Width | Segment Height |
|---|---|---|---|
| PRO-A14/S | 14" (350mm) | .155" | 12mm (.475") |
| PRO-A18/S | 18" (450mm) | .155" | 12mm (.475") |
| PRO-A20/S | 20" (500mm) | .155" | 12mm (.475") |
| PRO-A24/S | 24" (600mm) | .187" | 12mm (.475") |
| PRO-A30/S | 30" (750mm) | .187" | 12mm (.475") |
| PRO-A36/S | 36" (900mm) | .187" | 12mm (.475") |
| PRO-A42/S | 42" (1050mm) | .187" | 12mm (.475") |
WET CUTTING IS MANDATORY: At these horsepower levels, friction heat can crystallize diamonds instantly. Ensure high-volume water flow to both sides of the blade. This not only cools the 12mm segments but also flushes the abrasive aggregate slurry away, allowing the Drop Segments to effectively protect the core from undercut wear.
Highway & Interstate Roadwork | Asphalt Overlays (AO) | Green Concrete (GC) Expansion Joints | Heavy-Duty Utility Trenching | Municipal Paving | Industrial Airport Tarmacs
Q: Can I use this on a handheld saw?
A: No. The Supreme Grade Asphalt Series is tensioned specifically for the high-torque environment of walk-behind saws (up to 65 HP). For handheld gas saws, please refer to our Pro Asphalt Series.
Q: What is the difference between AO and GC bonds?
A: AO (Asphalt Overlay) bonds are harder to resist the abrasive sand in asphalt. GC (Green Concrete) bonds are optimized for the high-alkalinity and abrasive nature of concrete that hasn't fully cured.
📦 Highway Contract & Municipal Supply: Supreme Diamond Tools is a lead supplier for state and municipal road departments. For large-scale procurement, custom bond requests (AO/GC), or logistics from our international manufacturing centers, please contact our technical infrastructure team.
B2B & Fleet Supply: With 20+ years of diamond tool expertise, we support large-scale industrial projects.
Request a Bulk Quote for Professional Pricing →
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
I bought a 30" Supreme Grade Asphalt Cutting Blade and couldn’t be happier. Faster cutting with clean, precise results. Excellent price for the performance and extended blade life.
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