M35 Hss-Co Cobalt Two Stage Step Drill Bit Screw Counterbore Twist, M3 180 Product Details 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 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. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.