This 4 - up PCD tooling is ideal for aggressively removing concrete stock, along with coatings, glues, mastics, and other floor - covering adhesives. It can be used with all National's Planetary Grinders. The 9557 PCD is sold individually. To assemble a full set for your grinder, you need to buy 6 #9557 PCDs, 6 #9521 Holders, and 6 #9550 screws. The 2 - up PCD - 1/2 round tooling is great for removing heavy stock, adhesives, thin set, and epoxies, and works well with National's planetary grinders. The 9556 PCD is also sold individually, and a complete set requires 6 #9556 PCDs, 6 #9521 Holders, and 6 #9550 screws. The 2 - up PCD - micro tooling is designed to remove heavy stock, adhesives, thin set, and epoxies on National's planetary grinders. The 9555 PCD is sold individually, and you need 6 #9555 PCDs, 6 #9521 Holders, and 6 #9550 screws for a full set. The 1 - up PCD - 1/2 round tooling is for removing heavy stock, adhesives, thin set, and epoxies on National's planetary grinders. The 9554 PCD is sold individually, and 6 #9554 PCDs, 6 #9521 Holders, and 6 #9550 screws are needed for a complete set.



Using these PCD toolings is easy. First, make sure you have all the necessary parts to build a complete set for your National's Planetary Grinder. That means getting 6 PCDs, 6 holders, and 6 screws for each type of PCD. Once assembled, you can use the tooling to remove concrete stock, adhesives, thin set, and epoxies. When using, start at a low speed to test how the tooling works on the surface. Then gradually increase the speed if needed. After use, clean the tooling with a brush to remove any debris. Store the tooling in a dry place to prevent rust. If you notice any damage or wear on the tooling, replace it right away to ensure good performance.