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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.
Engineering Silence for Urban Environments
"Excessive noise isn't just a site nuisance—it's a liability. At Supreme Diamond Tools, we’ve spent 20+ years refining the 'Sandwich' core technology to solve the high-frequency screeching common in masonry cutting. Our GP-SM series doesn't just cut—it dampens. It’s the difference between a project that meets city ordinances and one that faces costly shutdowns."
— The Supreme Diamond Technical Team
The Supreme GP-SM Series Silent Core Blade is the professional’s choice for noise-sensitive jobsites. By utilizing a specialized laminated steel core, this blade reduces cutting decibels by up to 50% while delivering the aggressive performance expected of a Supreme Diamond tool. Ideal for hospitals, schools, residential complexes, and indoor masonry projects.
| Product Code | Diameter | Width | Segment Height |
|---|---|---|---|
| GP-SM14/S | 14" (350mm) | .125" | 12mm (.475") |
| GP-SM16/S | 16" (400mm) | .125" | 12mm (.475") |
| GP-SM18/S | 18" (450mm) | .140" | 12mm (.475") |
| GP-SM20/S | 20" (500mm) | .140" | 12mm (.475") |
When cutting on residential sites, city inspectors often look for decibel compliance. Pairing the GP-SM series with a water-cooled system not only kills dust but further dampens sound resonance. For the cleanest finish on stone or hard pavers, avoid 'forcing' the cut; the laminated core performs best when allowed to maintain a steady, consistent RPM.
Cured Concrete | Masonry Block | Hard Brick | Stone Pavers | Indoor Renovation | Noise-Regulated Roadwork
Q: Is the core safe for dry cutting?
A: Yes. The GP-SM Series features Industrial Laser-Welded segments, making it safe for both wet and dry use. However, wet cutting is recommended to maximize the life of the sound-dampening layer.
Q: Does the "Silent Core" slow down the cutting speed?
A: No. The silence comes from vibration absorption in the steel core, not a change in the diamond matrix. Our GP-SM matrix is balanced for professional speed and aggression.
📦 Bulk Procurement & OEM: Supreme Diamond Tools supplies contractors and municipalities globally. For private labeling, bulk stock orders, or international shipping from our logistics centers, please contact our technical sales 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.
Blade cuts through brick, block, and terrazzo with minimal effort. Very efficient diamond blade for masons, and it really lower the noise a lot
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