*Precision ground metal twist drill bit*  Spiral drill bit made of robust HSS-Co steel and in accordance with DIN 338, precision ground. The split point with 135В° ensures quick drilling progress. Thanks to the cobalt alloy, it is highly suitable for processing tough and hard materials.  Type of packaging - bag  **Top Features**  * Cobalt alloy ensures high heat-resistance. * 135В° split point for quicker drilling progress. * Type N spiral for optimum chip removal.  **Advantages**  * Made of cobalt-alloyed special steel in accordance with DIN 338.             * Thanks to the cobalt alloy, it is highly heat-resistant and suitable for tough and hard materials. * Robust drill bit with high break resistance. * Split point for optimum centring and little feed force effort. * 135В° tip angle for quick drilling progress. * Optimum chip removal through type N spirals.  **Applications**  * For drilling in tough and hard materials.  **Building materials**  * Steel up to 1000 N/mm2 alloyed and unalloyed * Rust-free steel (stainless steel) * Heat-treatable and case-hardened steel * Rolling bearing steel * Non-ferrous heavy metal  You can find detailed information on building materials in the registration document.