Round/Flat Type Thermal Friction Hot Melt Short Drill Bit M3 M4 M5 M6 M8 M10 M12 M14 Metal Processing Drill Bit Tool TB _x000D_ _x000D_ _x000D_ Round/Flat Type Thermal Friction Hot Melt Short Drill Bit M3 M4 M5 M6 M8 M10 M12 M14 Metal Processing Drill Bit Tool TB _x000D_ _x000D_ _x000D_ Feature: _x000D_ 1. Round type frictiondrill (standard type frictiondrill): frictiondrill penetrate the workpiece while drawing the bushing to form a convex ring. The surface of the boss, suitable for thread sealing or nut washer. 2. Flat type frictiondrill (designated flat frictiondrill):the middle part of the drill grinding step melt cutter blades, and the hot melt drilling to penetrate the workpiece drawing to form a convex surface of the workpiece (ring cut milling and chamfer), make the surface smooth. 3. Material: tungsten steel 4. Use scene: metal processing 5. Wide range of applications, energy efficient _x000D_ Description: Category: drill bit _x000D_ Dimensions: M3 (2.7mm) / M4 (3.7mm) / M5 (4.5mm) / M6 (5.3mm) / M8 (7.3mm) / M10 (9.2mm) / M12 (10.9mm) / M14 (13mm) _x000D_ _x000D_ includes: _x000D_ 1 x Drill bit _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ We Ship to Worldwide (Except some countries and APO/FPO). _x000D_ We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address. _x000D_ Orders processed timely after the payment verification. _x000D_ We will send the package from China via air post. _x000D_ Delivery time depends on Shipping Carrier, Customs and Post Dispatch of destination and other factors.Most packages could be received in 20 business days (4 weeks). See below for delivery time collection of quantitative data: _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ We accept Email requests for returns within 7 working days of receiving your order. If the item is in your possession more than 7 days, it is considered used and we will not issue you a refund or replacement. _x000D_ If you are not satisfied when you receive the item, please return it within 7 days for a replacement or money back. Please contact us for a return guide before you return it. _x000D_ All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your order ID. _x000D_ If the item is defective in 3 months, We will send you a replacement without extra charge, or offer refund after we receive the defective item. _x000D_ If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item. But you need pay the extra shipping fee. _x000D_ You agree to all of the above-listed policies upon ordering on ! _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ If you are satisfied with our product and service, please give us a positive feedback with 5 star review which is very important for us. We will be very appreciate if you can leave your real feeling here. _x000D_ If you are not satisfied with the items or our service, please contact us before leaving any feedbacks, we will resolve the issue immediately, thank you! _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Please Message us from 9:00am. to 18:00pm. (GMT+8) of Monday to Saturday . _x000D_ If you have any questions, please message us and give us a chance to assist you. All messages will be answered within 1 business day (except Public holidays in China). If you do not receive our reply, please kindly re-sent your message and we will reply to you as soon as possible. _x000D_ We apologize for the late reply during holidays (included Sundays). _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_