Cobalt Drill Bit 7/16" Twist Drill Bits, M35 High Speed Steel, Pack Of 5 Pcs Product Features ?7/16" Cobalt Drill Bits?5pcs - 7/16" Metal Drill Bits. This Drill Bit fits the majority of power drill currently on the market and come with a Index Storage Case for easy storage and organization. ?M35 Cobalt Drill Bit?Industry grade M35 high speed steel drill bit set, much harder than HSS used in other similar drill bits set. These drill bits contain 5% Cobalt, The drill bits are hardened and polished for improved sharpness and precise cutting without wobbling, wear-resistance and durability. This improves work efficiency. ?135 Split Point Fully Ground Process?135 split point with straight shank prevents walking and makes drilling precise and faster. No center punch positioning guide is required. Fully ground spiral groove design clears particles quickly, decreases friction and heat for a more efficient drilling performance. ?Multiple Application?Suitable for cutting through Hard Metal such as Stainless Steel, hardened steel, Steel, Sheet Metal and Cast Iron as well as Plastic, Aluminum Alloy, Wood and Other Softer Metals. Pay attention to speed, pressure and heat control during drilling.(Note: Hardened steel needs to be below HRC38) ?Quality commitment?If you are not fully satisfied for any reason, Please contact us for 100% refund or replacement. Have any questions, Please feel free to contact us and we will be happy to assist you. 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!