Norseman by Viking Drill and Tool (quantity 6) T23/64" Type 240-UB 135 Degree Split Point Magnum Super Premium Jobber Drill Bit. Magnum Super Premium - 135 Degree Split Point. Manufactured to NAS 907B specification from Premium Hi-Molybdenum Steel. Magnum will substantially outperform cobalt drills in work hardening stainless steel and other tough drilling applications. Nitro-Carburized. (05770)