Gold Member Since 2014
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Changzhou Jingnuo Tools Co., Ltd.

Drill Bit, Matel Drilling Bit, Carbide Drill Bit manufacturer / supplier in China, offering Solid Carbide Drill for Steel with Inner Coolant, High Performance Metric Carbide End Mills 4 Flutes D3mm Solid Carbide Milling Cutters, Helix Flute Solid Carbide CNC Machine Reamer and so on.

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Supplier Homepage Product Carbide Drill Bits Solid Carbide Drill for Steel with Inner Coolant

Solid Carbide Drill for Steel with Inner Coolant

Purchase Qty.:
10-49 50-99 100+
FOB Unit Price: US $8 US $5 US $4
Purchase Qty. (Pieces) FOB Unit Price
10-49 US $8
50-99 US $5
100+ US $4
Get Latest Price
Port: Shanghai, China
Production Capacity: 20000/Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: drill bits
  • Certification: ISO9001:2008/SGS
  • Type: Twist Drill Bit
  • Usage: Metal Drilling
  • Grain: 0.4um
  • HRC: 45-65
  • Diameter: D4-32mm
  • Transport Package: One Plastic Pipe Pack One Piece, 10 Pieces/ Groud
  • Origin: Changzhou, Jinagsu, China
  • Customized: Customized
  • Length: Jobber-length
  • Material: Tungsten Carbide
  • Item: Drill Bits
  • Precision: High Precision
  • Hra: 92
  • Trademark: JINOO
  • Specification: D4-D32
  • HS Code: 8207509000
Product Description

The specification of solid carbide inner coolant drill bit                                                

product name Solid Carbide Drill for Steel with Inner Coolant 
cutting DiameterD8mm
cutting LengthL53mm
overall lengthL91mm
shank DiameterD8mm
point angle140°
Helix angle30°
CoatingBalzers HELICA
HRC of workpieceHRC55°
Raw Material Guhring material 
suitable for Structural Steel,Alloy Steel,Stainless Steel,commom materals

 Note :  

 1>Non-standard products  are available according to customer's drawing or customer's sample .

 2>We olso design and manufacture products,according to the request of customer's.

 3>If you have any questions ,please cantact me anytime,JINOO will  warmly welcome your inquiry.

Solid Carbide Drill for Steel with Inner Coolant


 Why do you choose JINOO products ?

1, 100% Raw material  

2,  super coating Tungsten carbide drill bits for drilling hole with cnc machining  
















Oxidation Temp(°)





Friction Coffients










3, Advanced CNC griding Equipment of carbide inner-coolant drill bit                         

Solid Carbide Drill for Steel with Inner Coolant

We imported many sets of advanced CNC griding machines from  Germany, Australia, Swit -zerlandSuch as Walter Power ,Walter Micro,Walter vision,ANCA,RollomaTic,etc.

so ,we can guarantee the high precision and good performance of our products.

4,Quality Assurance(QA)  Tungsten carbide drill bits for drilling hole                    

Solid Carbide Drill for Steel with Inner Coolant

we have strict quality control system. 

  • Advanced testing equipments
  • Each process is detected   
  • Each piece of tool is checked
  • Guarantee the tolerance 0-0.01mm Or accroding to customer's requirement
  • Check Helix anlge and finished surface  

5, Wide Application of Tungsten carbide drill bits for drilling hole                           

Tools are widely used in many fields, such as outomobile, military manufacturing, mould development, electron and medical instrument, horologe, aerospace,etc.   

Packaging & Shipping

1,Packaging Dtails                                                                                                          

Solid Carbide Drill for Steel with Inner Coolant


2,Delivery Details:5-20 days after receiving deposit .

                                 (if the product in stock will dispatch at once)

3,Payment Ways :T/T, Western Union, Paypal, Escrow(Choose your convenient way)

4,Shipment Ways:DHL, UPS, FEDEX, TNT, EMS,the port is shanghai ,ningbo ,shenzhen etc.                                              (choose your convenient way)     

Company Information

Solid Carbide Drill for Steel with Inner Coolant

Changzhou Jingnuo Tools Manufacturing Co., Ltd. was founded in 2006. We are located in Changzhou City of Jiangsu Province, 5km away from Changzhou airport and 3km away from the expressway between Shanghai and Nanjing. 

We focus on designing, researching and developing, manufacturing and selling end mill, drill, reamer, molding cutter, saw blade. Our products are extensively used in CNC machining area and other industries. Furthermore, all our products are manufactured with advanced equipment from Germany and Australia and strict QC procedures in order to ensure high quality.

Adhering to the business principle of mutual benefits, we have built up a good reputation among our customers due to our perfect services, quality products and competitive prices. We warmly welcome customers from at home and abroad to cooperate with us for common success.



1,Are you manufacturer? Do you have factory?

 We are manufacturer, factory located in Changzhou City, Jiangsu Province, welcome to visit our factory!
2,What machine you use?

 You can see Walter grinding machines in our factory, also have PARLEC detection machine.
3,Does free shipping is 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 carve your brand 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 be 5~15 days. We can tell you exact inventory state if you need.


Please contact us if you are interested in our inner coolant solid carbide drill bits .   

Contact information:

Changzhou Jingnuo Tools Co., Ltd. 
Cherry Lv (Sales, ForeignTrading Department
AddNO. 6-7, Yueshan Rd, Xixiashu Town, Xinbei District, Changzhou, 213135, China.
Tel: +86(519)69887533 ext. 56533
Fax: +86(519)83435899
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Ms. Cherry Lv
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