M35 Hss-Co Cobalt Two Stage Step Drill Bit Screw Counterbore Twist, M3 180 Description: The countersunk head is made of M35 HSS-CO Cobalt, which can Easy process metal or non-metal products below 30 degrees HRC, such as Stainless,cast iron, tool steel, copper and aluminum, alloy steel, iron, die steel and so on. Specification: Name: Industrial Two step drill Material: M35 HSS Cobalt Angle: 90/180 Degree Sizes: OD (Hole Diameter) M12: OD(14X20) M10: OD (11X17.5) M8: OD (9X14) M6: OD (6.6X11) M5: OD (5.5X9.5) M4: OD (4.5X8) M3: OD (3.4X6.5) Quantity: 1pc (optional) Features: - M35 cobalt-containing drill body improves the high temperature resistance and abrasion resistance of the drill bit,drilling hole fast. - Fully ground spiral cutting edge design, high-precision spiral chip flute design,Removed chip fast. - 135 degree double rear angle, sharp drill pin, accurate positioning, no deviation. Universal round handle, not easy to slip, firm and durable. - The counterbore is processed at one time. - Compatible equipment: machining center, bench drill, etc. Package Included: 1 x Industrial two step drill Product Features Universal round handle, not easy to slip, firm and durable. M35 cobalt-containing drill body improves the high temperature resistance and abrasion resistance of the drill bit,drilling hole fast. Fully ground spiral cutting edge design, high-precision spiral chip flute design,Removed chip fast. 135 degree double rear angle, sharp drill pin, accurate positioning, no deviation. 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!