These Norseman Type 190-AG Magnum Super Premium - 135 degree Split Point drills are manufactured from Premium Hi-Molybdenum Steel and made to NAS 907B specification. These Nitro-Carburized bits will considerably outperform cobalt drills in tough drilling scenarios. 

Sizes 1/16 - 9/32 are sold in packs of 12. Sizes 19/64 - 1/2 are sold in packs of 6.