3-12mm 4-12mm 4-20mm HSS Straight Groove Step Drill Bit Set Titanium Coated

Dear customer: Thank you for choosing my store for shopping. The following are the matters needing attention for shopping: A. Economic transportation: detailed tracking information will not be included. Most of the packages will cause delayed delivery within the expected delivery time, so you need to be patient B. Each product link: There will be different option variants. If you do n’t know how to select the product you want, please contact me, I will be honored to soe this problem for you. C. When you receive the package, there is product damage / product problem / error product and shping problem, please contact me in time, I will soe it for you! D. If you are a wholer / distributor, a large number of orders and quantities, to provide you with factory prices, and hope to be honored to reach a partner with you! GOOGZON store: I wish you a happy life!

The drill bit produces more resistance when drilling metal for a long time. Please provide some lubricating oil or water at the drilling position to reduce some resistance

Suitable material: Workpieces with general hardne, such as wood, plastic, PVC plate, iron plate, plate thickne within 3MM. Please note that stainle steel and spring steel are not applicable. Not for quenching. Made from high quality HSS steel Ideal for using to cut holes in a variety of materials including steel, bra, wood, plastic, etc. Titanium coated to reduce friction and heat Heat treated and highly polished. Drills perfectly round holes in steel, bra, plastic, wood etc. 3 sided shanks design in order to prevent slpage when in chuck Two flute design provides faster, smoother and cleaner cuts each step is clearly labeled with the depth diameter in steps Specification: Surface treatment: Titanium Plating Color: Golden

About shping
Shping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

Special Announcement:
Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resoe the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties or taxes. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

Your 100% satisfaction is very ant to us
If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.