Drill Bit Type: Twist. Drill Bit Type(s) Included: Twist. Features: No Additional Features. Material Application: Aluminum, Angle Iron, Cast Iron, Copper, Duct/Sheet Metal, Nickel, PVC, Stainless Steel, Steel, Wood. Number of Pieces: 60. Tools Product Type: Power Tool. This #1 to #60 Cobalt Steel Drill Set is designed for tough and work hardened materials such as stainless, armor and INCONEL. The drills feature 135-degree split points to eliminate drill walking on work-pieces and precision Heavy-Duty construction with tight tolerances which make them ideal for extreme operating conditions. The cobalt steel material provides heat resistance in the drills for greater longevity while a straw finish adds lubricity. These drills offer superior rigidity for hand or machine drilling. Customer service is our top priority! Please be sure to read the description thoroughly to make sure that this is the item you want before making a purchasing decision. We make every effort possible to accurately describe and depict the items. Please be aware that slight variations in color may be due to differences in lighting and computer monitor resolutions. Thank you for shopping with us. We appreciate your business! If ordering electrical items outside of the U. Please note that they will come equipped with a standard U. You will need a suitable adapter to use the item in your country. An adult signature will be required. Please be sure to have available help on hand to assist you with moving the item to the desired location in or outside of your home. Only factory defects are accepted as a reason for a return. In the case of factory defects, if available, we will replace the product for you. When returning an item, it must be in all of the original packaging and include all of the original accessories or items that came with it. The item and package should be in original and perfect condition. We do our best to process as quickly as possible. Orders are processed immediately and dispatched to fulfillment as soon as they are received. For this reason, we are typically unable to honor cancellation requests. If the order has gone too far through the fulfillment process, we will be unable to cancel. Listed by Sku Fetch.