Hymnorq 6-Piece Combination Tap And Drill Bit Set With Dual Twist Flute And, 16 Product Features Made of high quality 4341 HSS for durability; Suitable for drilling and tapping in plastic, wood and soft metal like aluminum, iron, etc. Drills and taps in a single pass to save your labor and precious time; Point is self-centering and eliminates the need for center drilling or center punching Wide flutes carry the chips out of the hole. Can be used on multi-spindle heads with reversing mechanisms for tapping in most materials 6 imperial sizes of drill and tap bit(1/8?, 5/32?, 3/16?, 1/4?, 5/16?, 3/8?) included in the set to meet your diversified requirements Quick change 1/4" (6.35mm) hex shank with imperial sizes engraved on the tap drills. 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!