Samtec Tools & Accessories Pvt. Ltd offers Tungsten Carbide made Blocks. Samtec Tools & Accessories Pvt. Ltd offers a wide range of cutting tools and machine tool accessories like deburing systems, holding systems, threading and thread milling tools. The Tungsten Carbide made Blocks finds application in electro-erosion operations and are available in various grades of WH2: ISO K20, W75/ W75M: ISO G2, W80/ W80M: ISO G3 and W85: ISO G4. The Blocks comes rough with grinding allowance and also in completely ground form.