No Closing In Spring Festival
Happy Chinese Spring Festival!
Sufficient inventory, all orders will be shipped within 24 hours.
We are always stand by online within 24 hours.Any query,pls feel free to talk with us.
If you want to receive the order more quickly, please choose shipping method: Aliexpress Standard Shipping which has a successful delivery rate of 99.99%
To Korea : it take about 7-10 days
To Spain, France, Poland and Netherlands: it take about 10-15 days
To other European countries and Ukraine,Belarus,Russian Federation: it take about 15-20 days
To other countries: it take about 20-35 days
Features:
100% 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)
Rotating speed:
4-12 speed:260-400
4-20 Speed:180-240
Attention: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.
Length:
3-12mm Length: Approx. 7.9cm/ 3.11″
4-12mm Length: Approx. 6.7cm/ 2.64″
4-20mm Length: Approx. 7.4cm/ 2.91″
4-22mm Length: Approx. 7.7cm/ 3.03″
The Cutters Come in the Following Sizes:
3-12mm(3mm,4mm,5mm,6mm,7mm,8mm,9mm,10mm,11mm,12mm) 10 Steps
4-12mm: (4mm, 6mm, 8mm, 10mm, 12mm) 5 Steps
4-20mm:( 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm）9 Steps
4-22mm:( 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 4-22mm）10 Steps
Package includes:
1 x Drill Bit 3-12mm
1 x Drill Bit 4-12mm
1 x Drill Bit 4-20mm
1x Bag
or
Package include:
1PCS x Drill Bit 3-12mm
or
Package include:
1PCS x Drill Bit 4-12mm
or
Package include:
1PCS x Drill Bit 4-20mm
or
Package include:
1PCS x Drill Bit 4-22mm
FAQ
Q: Frequently Asked Question
A: Answer to the question above.
Q: Frequently Asked Question
A: Answer to the question above.
Q: Frequently Asked Question
A: Answer to the question above.
Describe your brands story, including establishment and development timelines, milestones, etc.
Packed securely. visually in excellent condition but not tested yet.
came at declared time! quality wise will check.
The delivery was delayed well, this is not critical at least for me, in fact I did not try the drill, but it looks like it is of high quality.
Received. I didn't like the condition. The edges of some cutting edges are uneven. One number is almost invisible. but maybe I find fault. The price is not big.
Quality is good, my recommendations.
Thought they 'd be more
Dear employees of the online store, thank you for the quality product and quickly delivered order. Sincerely, Igor.
Good kit.
As described
Like it's good, haven't used it yet.
I have arrived. Thank you very much. I have not checked in the work yet and I will recommend the seller normally.
Arrived ahead of schedule, not used yet.
Delivered very quickly. I haven't checked in the case yet.
The delivery is fast, convenient in the case. I haven't tried it yet. I will add feedback after use.
Norms
It's as described. For my tasks is perfect.
On the farm is useful. Tried everything perfectly on plastic
Suitable for small works, for industrial applications no, each drill can be drilled a maximum of 50 times, and then the metal can be drilled a maximum of 2-3mm
Quality quality average delivery fast thanks to the seller I will check in the work I will add feedback
ТОВАР СООТВЕТСТВУЕТ ОПИСАНИЮ.ДОСТАВКА БЫСТРАЯ.ЗАБИРАЛ В ПЯТЕРОЧКЕ
Excellent.
A good set, took mostly for working with plastic. Bonus cover.
Рекомендую за эти деньги супер
The goods came quickly, not yet tried.
Goods delivered. It's fine. Thanks to the store and 5 stars. In the case I will try, I will complement the review.
Corresponds to the description, the instruction with recommendations liked-everything is described for use. I'm happy with the purchase, I recommend the store!
All has come, delivery is super fast
доставка меньше 5 дней! продавцу спасибо!
02.12.21 ordered and received in the Ulyanovsk region 06.12.21. It's fine. Thank you store. Shop and seller recommend.
Everything is fine! The goods received through the courier. Seller recommend.
Отлично
Delivered on time, I recommend.
The region reached 64 in 5 days DPD. SVE corresponds to the description. Three drills in the case. Looks like norms, but not yet tried. I'll unsubscribe later.
In Novosibirsk in 10 days, I thought they would be larger. And so it's all right.
Corresponds to the description. Came in 10 days to Chelyabinsk from China. I have not checked for strength yet.