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Sender Asia 4-12mm 4-20mm 3-12mm 1/8"-1/2" 3/16"-1/2" Step Drill Bits 3Pcs/Set

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DIY Supplies
Core Drill Bit
Metal Drilling
High Speed Steel
Brand Name
Sender Asia
Model Number

03 Nov 2017
Thank you, great tool, fast shipping.

- A*** B

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4-12mm,4-20mm,3-12mm, 1/8"-1/2",3/16"-1/2",1/4"-3/4" Hex Shank Taper Point Titanium Step Drill Bits 3Pcs/Set

Material:High speed steel 4241Lsuitable for use in 25 degree hardness below workpiece)
those Drill bits Can not Drill Stainless Steel Plate.
Surface treatment: Titanium Plating
Titanium coated to reduce friction and run cooler
High speed steel,durable.
HSS Drill Bit Set For Wood, Plastic and Aluminum Sheet, Copper Plate, and other soft Material Plate
Ideal For DIY, Home and General Building/Engineering Using.

Specification :
Color : Gold(as picture shown)
Material : High Speed Steel
Surface : Nitrogen treatment (increasing the hardness and abrasion resistance)
Scop : thin iron plate,aluminum,insulation panels,PVC panels 4mm thickness within the timber.
-1 -2 -3 -1 -2


some of our products which with free shipping,not support tracking information when the parcel arrived at your destination country
those shipping methods as following:
1)China Post Ordinary Small Packet Plus
2)Yanwen Economic Air Mail
3)SF Economic Air Mail

If you need tracking information,select those shipping methods as following:
1)AliExpress Standard Shipping
2)China Post Registered Air Mail

1. WORLDWIDE SHIPPING. (Except some countries and APO/FPO)
2. Orders processed timely after the payment verification.
3. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address.
4. The images shown are not the actual item and are for your reference only.
5. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season.
6. If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!
7. Due to stock status and time differences, we will choose to ship your item from our first available warehouse for fast delivery.
aliexpress shipping


1.12 months Manufacturer`s limited Warranty for defective items (excluding items damaged  or misused after receipt). Accessories come with a 3-month warranty.
2. Defective items MUST BE reported and returned within the warranty period (and in the original packaging, if possible). You must tell us what the defect is and give us your order number. 
You agree to all of the above-listed policies upon ordering on aliexpress


1. You have 7 days to contact us and 30 days to return it from the date it was received. If this item is in your possession more than 7 days, 
it is considered used and WE WILL NOT ISSUE YOU A REFUND OR REPLACEMENT. There are NO EXCEPTIONS! Shipping cost is bear by both seller and buyer in half.
2. 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 number.
3. We will refund YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its original condition and packaging with all components and accessories included, 
AFTER BOTH Buyer and Seller cancel the transaction from aliexpress. OR, you may choose to have a replacement.
4.  We will bear all the shipping cost if the product(s) is (are) not as advertised

We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.

It is impossible to address issues if we do not know about them


Shipping CompanyShipping CostEstimated Delivery Time
DHL3 - 7 days
UPS Expedited3 - 7 days
EMS5 - 14 days
Post Air MailFree Shipping15 - 45 days
Return PolicyIf the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller ServiceOn-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).