Choose Options Quick view 7/16" x 12" Cobalt Extra Long Drill Bit, Straight Shank Qualtech List Price: $49.00 Now: Price: $25.97 List Price: 7/16" x 12" Cobalt Extra Long Drill Bit, Straight Shank. Extra length M35 5% cobalt dills are for general purpose drilling in applications where extra length is required for reach. Designed to perform in a broad range of materials in the iron and steel... DWDDLCO12X7/16 List Price: $49.00 Now: Price: $25.97 List Price: Choose Options Quick view Qty in Cart: 0 Price: List Price: $49.00 Now: Price: $25.97 List Price: Subtotal: Choose Options