Tools That You Deserve.

Your Source for the Finest Diamond Tools for Stone Fabrication

Capstone Tool is an online store for industrial diamond tools used by stone fabricators, cabinet makers, DIYers, and general contractors. Our tools can provide solutions for stone materials like granite, engineered stone, quartzite, marble, porcelain, dekton, tile, ultra compact surface, and concrete/asphalt.

We offer a wide range of tools that can perform cutting, grinding, coring, edge shaping, and polishing those stone materials. Our collections includes blades, cup wheels, drill bits, routers, and polishing pads. All our tools can be adopted to broadly used machines like bridge saw, circular saw, angle grinder, air polisher, and edge router machine.

The store name, Capstone Tool, comes from a capstone which is the final stone at the top of an arch which locks all other stones into position. Things will collapse without the capstone piece. Just like its meaning, we hope our products to be your central supporting tools for your jobs. We aim to deliver the most professional stone tools to your doorstep which you can count on.

Preferred payment by PayPal. You do not need to have a PayPal account to pay via PayPal, just a valid debit or credit card.

USA Shipping Policy

All orders received during business days (Mon~Fri) until 3:00 pm Eastern Standard Time (EST) will be shipped on the same day. Orders placed after the cutoff times are shipped the next business day.

All orders will have a free shipping option with USPS Priority Mail. If the order is less than 1 pound, USPS First Class will be used. Usually, the estimated delivery time will be 1~3 days depends on the region the item is shipping to. If you would like to see the more accurate delivery time, please check our shipping map from USPS below.

If you would like to receive the order in guaranteed 1 day, we also offer USPS First Priority Mail Express. This express option is available on the checkout page and the price is based on the weight of the order.

Please note:

1. Alaska, Hawaii, and other U.S territories have a flat rate of $7.
2. The same day shipping cannot be guaranteed on holidays.
3. Please provide the accurate shipping address for avoiding the carrier address correction fee.

International Shipping Policy

For international orders, we offer Ebay's Global Shipping Program to serve your orders more efficiently. If you have any questions regarding the program, please visit this link.

The items can be returned within 30 days of the delivery date of your order. The item must be an unused and re-sellable condition with the original packaging. If you have any defect or damaged items, please contact us for further assistance. Please note that a buyer is responsible for return shipping