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HSS Spiral Titanium Step Cone Drills (3pcs)

30 reviews
100% of buyers enjoyed this product! 4166 orders
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Brand New and High Quality
Made from high quality HSS steel
Ideal for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc.
Titanium coated to reduce mit and heat
Heat treated and highly polished. Drills perfectly round holes in steel, brass, plastic, wood etc.
3 sided shanks design in order to prevent slippage when in chuck
Two flute design drives faster, smoother and cleaner cuts each step is clearly labeled with the depth diameter in steps
Function: Deburring, Chamfering, Cutting or expanding holes
Supporting tools: Pistol drill, Hand drill, Charging drill, Bench drill. (Water injection cooling while working, it can effectively extend the service life of the drill bit, especially in the case of continuous drilling)

Package includes:
3 x HSS Steel Drill Bit Set

Because of the outer diameter of each step of the step drill is gradually expanded,then the corresponding cutting resistance and linear velocity will also be gradually increased.
Owing to the step drill is completely dependent on the inclined edge that is only with 1mm length,If the feed speed is too fast when drilling,it will be easily to be annealing caused by abrasion of the oblique edge.
Please give a downward force when drilling, do not press down too hard to avoid the edge wearing.

Suitable material:
Workpieces with general hardness, such as wood, plastic, PVC plate, iron plate, plate thickness within 3MM. Please note that stainless steel and spring steel are not applicable. Not for quenching. (Water injection cooling while working, it can effectively extend the service life of the drill bit, especially in the case of continuous drilling)


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 10-30 Business days
Canada, Europe 10-30 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, you can request a refund or reshipment for ordered products if:

  • 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.

We do not issue the refund if:

  • 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 (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of

*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.

Real customer reviews

30 reviews
100% of buyers enjoyed this product!
5 stars
4 stars
3 stars
2 stars
1 star
verifed buyer
20 May 2024

Nice and sharp. The center punch it came with could have been better. The bits drilled though several different types of metal and are still going strong. I did use oil to keep the bits cool though.

verifed buyer
19 May 2024

The bits worked very well for drilling in 1/16" aluminum. Very reasonably priced.

verifed buyer
19 May 2024

I like this step bit set. I used it on type L copper works great.

verifed buyer
19 May 2024

They work well and I am glad I bought them.

verifed buyer
19 May 2024

Solid, well made, the punch is an added value, and they have already cut many holes problem free.

verifed buyer
19 May 2024

Works as expected, like it.

verifed buyer
17 May 2024

The drill bits work like charm and if you need to drill something then drill it because these will get the job done!

verifed buyer
17 May 2024

Drilled holes through metal with ease I recommend this product

verifed buyer
17 May 2024

Very nice set, I believe it will last a long time

verifed buyer
17 May 2024

I used the step drill to drill through my lawn mower deck to install a deck hose cleaner. The deck had a small hole in it but needed to be enlarged. The step drill bit effectively and cleanly enlarged the hole to the necessary diameter I needed easily. No more drilling headaches for me.

verifed buyer
17 May 2024

Marvelous cut thru .25" steel...very fast! Only used a few times so no data on durability but they look heavy duty.

verifed buyer
16 May 2024

Mine came in a great little tough clothlike kit. Extremely nice. My handyman used them today to do some furnace work for me and loved them. Great price, great product.

verifed buyer
15 May 2024

Works great but only used it on heavy plastic to modify children's electric car.

verifed buyer
15 May 2024

Okay, 5 stars because they are a good deal for the price. That doesn't make them high quality though. You're not going to buy these if you're going to depend on them professionally. They are however, fine for a home handyman that doesn't need one often, and knows how to drill without ruining a bit. The punch worked fine and so did 3 of the bits that I used for a small project I bought them for.

verifed buyer
15 May 2024

Very good quality set with a very nice little case.

verifed buyer
15 May 2024

This is a high quality product that is worth purchasing for your tool set. Durable. Sharp. Visibly good quality.

verifed buyer
15 May 2024

Excellent. works great couldn't be happier. so glad i got them

verifed buyer
14 May 2024

A good quality. This tool worked exactly as I wanted... a hole the correct size and fast.

verifed buyer
14 May 2024

Good quality, stays sharp, have not used long term, but for 5-6 projects worked 100%....great price for set also

verifed buyer
12 May 2024

Are use these to drill about 300 holes in my sprinter van to place rivnuts for attaching our l track and paneling. They are so much safer than using traditional bit because you don’t run the risk of punching through too hard.

verifed buyer
11 May 2024

I have found this titanium step drill set to be very useful when making holes in automotive applications. I have successfully been able to drill into everything from plastic to sheet metal with no issues. Recently, I used one of these bits to drill a hole into my dash board by my steering wheel in order to mount a SDST switch for a set of LEDs I was going to be mounting on my vehicle.

verifed buyer
11 May 2024

These are definitely worth the money

verifed buyer
10 May 2024

I had to search for a long time in order to find these. I found plenty of cobalt-plated step bits (which I don't understand the purpose of, except to impersonate the cobalt alloy ones) for cheap, but was having a tough time finding a solid M35 cobalt alloy set for a good deal. Until I finally found these. Amazing value.

verifed buyer
10 May 2024

These are amazing in quality. I reemed a 3/4 inch steel plate (pre radiation times) in under a minute. I didn’t even have time to use the tap fluid....

verifed buyer
9 May 2024

Perfect. I have used all the bits. Just what I needed. Thank You!

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