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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.
Precision Engineering for Bolt-On Systems
"In the world of mechanical surface preparation, the stability of a bolt-on system is unmatched for heavy-duty leveling and deep grinding. At Supreme Diamond Tools, we developed our Trapezoid Series to maximize the torque of leading planetary and rotary grinders. By offering a precise selection of bond hardness and specialized PCD configurations, we ensure that every pass delivers maximum diamond engagement, reducing your labor hours and increasing tool longevity on industrial slabs."
— The Supreme Diamond Surface Prep Team
The Supreme Professional Bolt-on Trapezoid Series is designed for contractors who demand precision and durability. Whether you are stripping stubborn adhesives with our PCD Grinding Tools or leveling a hard-troweled floor with our metal-bond discs, this tooling is engineered to deliver consistent performance in both wet and dry applications.
Our bolt-on trapezoid discs are precision-drilled to ensure a perfect fit on a wide range of professional floor grinding machines, including:
| Bond Type | Concrete Hardness | Primary Strength |
|---|---|---|
| Extra Soft Bond | Very Hard | Ensures the matrix wears to keep fresh diamonds exposed on dense floors. |
| Soft Bond | Medium to Hard | The professional choice for hard-troweled commercial slabs. |
| Medium Bond | General Medium | Our most versatile bond for standard concrete preparation. |
| Hard Bond | Soft / Abrasive | Prevents premature tool wear on sandy or "green" concrete. |
Optimizing CSP: When preparing a floor for a high-build coating, start with an aggressive grit (e.g., #25/30) in a Medium Bond to remove surface laitance. If the machine feels like it is "skating," the concrete is harder than expected—switch immediately to a Soft Bond to avoid glazing your tools. Always ensure bolts are tightened to the manufacturer's torque spec to prevent vibration and uneven segment wear.
Removal of High-Build Epoxies | Mastic and Glue Stripping | Concrete Leveling and Smoothing | Substrate Prep for Overlays | Preparation of Hard-Troweled Industrial Floors
Q: When will my order arrive?
A: Most orders ship within 1–2 business days. Standard U.S. shipping usually takes 3–5 business days, depending on your location. Expedited shipping options are available at checkout to meet your project deadlines.
📦 Contractor & Wholesale Support: Supreme Diamond Tools supplies commercial flooring crews and industrial distributors worldwide. For bulk tiered pricing or shipping details from our Tianjin and Zhejiang logistics hubs, please contact our technical export division.
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.
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