3Pcs 3-12mm 4-12mm 4-20mm Step Drill Bit Titanium Plating HSS Straight Groove

Descrtion: Product name: Step Drill bit Material: High-speed steel 4241 Surface treatment: Titanium Plating Type: Step Drill Head Type: Hexagonal shank / Triangle shank Suitable: Hardne below 25°, such as wooden boards, thin iron plates, etc Specifications: 3-12mm Step Drill Bit(10 Step:3,4,5,6,7,8,9,10,11,12mm)(Hexagon shank) 3-13mm Step Drill Bit(11 Step:3,4,5,6,7,8,9,10,11,12,13mm)(Hexagon shank) 4-12mm Step Drill Bit(5 Step:4,6,8,10,12mm)(Hexagonal shank / Triangle shank) 4-20mm Step Drill Bit(9 Step:4,6,8,10,12,14,16,18,20mm)(Hexagonal shank / Triangle shank) 4-22mm Step Drill Bit(10 Step:4,6,8,10,12,14,16,18,20,22mm)(Hexagon shank) 4-32mm Step Drill Bit(15 Step:4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm)(Hexagonal shank / Triangle shank) Features: High-speed steel, high quality with good durability for you to use Profeional drill for deburring, chamfering, elltic hole enlargement Suitable for punch holes through sheet metal, steel plate, aluminum plate, bra or wood. The main advantages of the spiral groove step drill compared to the ordinary straight groove step drill are its strong ch removal ability, better guidance, and smoother cutting. Scope of application: Cutting materials: thin iron plates with a thickne of 4MM can be proceed, aluminum materials, insulating plates, thermal insulation plates, PVC plates, and wood plates within 5mm. One drill bit can make holes of various specifications. For many friends who need to drill hardened steel and stainle steel materials, we recommend you to use. Note: 1. Manual measuring, please allow a little 1 ~ 2mm error, thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please allow a little color difference. Package Include: 1/3Pcs x Step Drill bit 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). 

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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 .

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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.