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BFL Tungsten Carbide Step Drill Bits with Coolant Hole

Product Description

BFL Tungsten Carbide Step Drill Bits with Coolant Hole

Product Description


BFL Tungsten Carbide Step Drill Bits with Coolant Hole





  • Tungsten Carbide,Solid Carbide,Cemented Carbide
  • Typically 4-20 flutes
  • Standard & high performance offering
  • Square,Ball,Radius or Chamfer Cutting Ends
  • Standard,Stub Length,Extra Long,Long Reach Designs
  • Metric & Inch Based Tools
  • Various Coatings Available


1, Super raw material






 YG10.2 &WF25(Taiwan)

K44 & K40 (German)

 H10F (Sweden)

Grain Size:0.7um
Co:10 %
Flexural strength:3320N/mm2

Grain Size:0.6um
Co:10 %
Flexural strength:4000N/mm2

Grain Size:0.5um
Co:12 %
Flexural strength:4300N/mm2

Grain Size:0.5um
Co:10 %
Flexural strength:4300N/mm2


2, Reasonable price

Pleasure to offer you more discount according to your quantity.
More quantity, more discount.

, Super coating
















Oxidation Temp(°)





Friction Coeffient













Packaging & Shipping



5, Package details
One plastic pipe packs one piece, 10 pieces per group.
Use air bubble paper to encase the plastic pipes. 
Put goods encased with air bubble paper into the carton box.


6, Payment
T/T, Western Union, Paypal


7, Shipping
Air, Courier, Maritime





Company Information


8, Advanced CNC grinding machines
With 5-Axis automatic CNC grinding machines from abroad

Michael Deckel from Germany
ANCA from Australin
Top Work from Taiwan
Guarantee high precision and good performance.

9, Strict quality checking

Check each piece. Guarantee the tolerance -0.02mm
Exact helix angle and finished surface
Goods pass SGS and ISO9001




Our Services



Our Services

Welcome to be our agents, OEM is also available.

Customized: It's available according to your drawings or samples

If you have any interest, please contact me at any time.


Whatsapp 008613861138352





1. Are you manufacturer? Do you have factory?

We are Professional manufacturer ,we have more than 15 years experience in this field.


2. What machine you use?

You can see Walter & ANCA &Michael Deckel& Rollomatic will be arrive warehouse at October grinding machines in our factory, also have Zoller detection machine &PG1000 Checking machine from USA


3. Is free shipping possible?

We don't offer free shipping service, but we will give you some discount if you buy large quantity products.


4. Can you send products to our Forwarder in China?

Yes, if you have forwarder in China, i will glad to send products to him/her.


5. Do you make OEM?

Yes, we do. We have laser machine, can laser your logo and sizes on the body of milling cutter, also can print labels.


6. How about the delivery time?

According to the sizes and quantity, delivery time is different. Usually  5~10 days. We can tell you exact inventory state if you need.


7. Do  you attend International Exhibition?

Yes, we had attended exhibitions in Germany(EMO), Indonesia, Malaysia .Russia. India, Thailand, Vietnam, Taiwan, etc. We are ready to go to America and Brazil.

8. Can you produce Special carbide Tools ?

Yes We can. From 2013 year. Our factory main market change from standard End Mills to special tools. Special tools according your drawing and sample. 



Contact us if you need more details on Carbide Step Drill Bits. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Carbide Stpe Drill Bits with Coolant Hole、Tungsten Carbide Step Drill Bits with Coolant Hole. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Tungsten Carbide Drill