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13PCS HSS 1.5mm-6.5mm Metric Durable Titanium Quick Change Twist Drill Bits Set Tools Drilling With Butterfly CaseUSD 5.40/piece
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  • Drilling tapping M4 thread ball 10mm for 3D printer.(each printer will need 12 pieces)
  • M4 x 20mm grub set screws is necessary to combine used with this ball to make connection with the carbon tube & 12 magnet for the joints.

  • Material: carbon steel
  • Item color: silver tone
  • Ball diameter: 10mm
  • Hole diameter: M4
  • Net weight: approx 4g

  • 32/36pcs M4 Threaded Steel Ball For 3D Printer

Orders are usually shipped out within 1-2 business days (mostly within 24hours) via China post Air.
It will be 7 to 25 days to deliver . After it is shipped. Actual transit time varies. Mail transit time stated above is best estimated but not guaranteed.
Items will arrive in 7 to 25 business days. The arrival time depends on some factors and different areas
This table only offer reference to the arrival time, doesn’t mean we delivery to all of the following countries.
Please choose some local sellers. if you cannot wait patiently in the shipping time we declared.
Once you purchase. please DONT leave negative or neutral feedback if you havent received item in 30 days. because we have mentioned the shipping time repeatedly.
All the products we are selling include factory warranty. dont cover items that have been abused. burned and damaged in any form.
Please contact us via Message if you have NOT received item in 30 days. we will check it with post office. and then resend or refund any missing item.
In the unlikely event that your product is faulty in anyway. you must contact us ASAP and then return it within 7 Days of receipt. The postage and packaging fee will NOT be refunded.
We will not be responsible for the delivery or insurance charges incurred in returning item back to us. If you return an item purchased from us. it must be back in Factory Condition. This includes packaging. inserts. manuals etc. Please allow up to 5 Working Days for us to process your returned item
Please DONT leave negative or neutral feedback if you havent received item in 30 days . because we have mentioned the shipping time repeatedly.
Our aim is to provide Top Level Customer Service. normally so we will try our best to solve any problem.
We greatly appreciate your POSITIVE feedback. Please do NOT leave negative feedback without asking for help.
If you have any questions . please feel free to email our service specialists 8 Hours a Day. 5 Days a Week.We will reply you ASAP. If no response within 24 Hours(working day). please check the spam in your mail box

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Shipping & Payment


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-20 Business days
Canada, Europe 10-20 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.

If you received the wrong item you can request a refund or a reshipment.

If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of jumayo (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of jumayo.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

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