Cobalt M35 Step Drill Bit 3/16" To 7/8", Tialn Coating 4 Spiral Flute, Plastic Product Features M35 HSS and TiAlN Coating: The step bit is made from 5% Cobalt M35 HSS(high speed steel) and coated with TiAlN, making it more sturdy and durable, especially suitable for use on stainless steel 4 Spiral Flute: cut faster and smoother and allow chips to escape easily 118 Split Point Tip: increases cutting speed with self-centering and prevents walking One bit with multiple drill sizes-----3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8" Widely Application: Ideal for drilling holes in stainless steel, plastic, aluminum, iron, copper and other types of sheet metal Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!