CNC Drilling Tools Tungsten Carbide Internal Cold Drill Bits
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Product Highlights
- High Precision Machining: Processing precision reaches 0.005 for accurate metal drilling operations.
- Durable Tungsten Carbide: Made from high-quality tungsten steel with hardness up to 42 GPa.
- Multiple Coating Options: Available with AlTiN, TiAlN, TiSiN, and Naco coatings for various applications.
- Customized Sizes Available: Size ranges from 1-20mm with customized length options up to 200mm.
- Internal Cooling Design: Features internal cold drill bit structure for efficient cooling during drilling.
- Fast Sample Delivery: Samples dispatched within 2-7 workdays for urgent requirements.
- OEM/ODM Services: Full customization available from samples or designs with OEM/ODM support.
- Strict Quality Control: Every cutter inspected by Zoller Measuring and Inspecting Machine.
Product Attributes
- Customization
- Available
- Customized
- Non-Customized
- Length
- 50 mm
- Model NO.
- Internal Cold Drill Bits
- Type
- Spot Drilling
- Material
- Tungsten Carbide
- Usage
- Metal Drilling
- Control Method
- Closed-Loop Control
- Application
- Metal
- Condition
- New
- Performance Classification
- High-End CNC Machine Tools
- Numerical Control
- CNC/Mnc
- Process Usage
- Metal-Cutting CNC Machine Tools
- Movement Method
- Point to Point Control
- Processing Precision
- 0.005
- Size
- 1-20mm
- Transport Package
- 1PC in a Plastic Tube, 10PCS in a Group
- Specification
- 2.0-20mm
- Trademark
- Hiboo
- Origin
- Jiangsu China
- HS Code
- 8207709000
- Production Capacity
- 50000 PCS/Month
- Package Size
- 35.00cm * 18.00cm * 15.00cm
- Package Gross Weight
- 5.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of CNC Drilling Tools Tungsten Carbide Internal Cold Drill Bits
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Product Description

Carbide Spot Drills
|
Product Name
|
Internal Cold Drill Bits |
|
Material
|
Tungsten steel
|
|
MOQ
|
10
|
|
Size
|
Customized Size
|
|
Customized
|
OEM/ODM
|
|
Package
|
Standard Packing
|
|
Type
|
Twist Drill Bit
|
|
Total length
|
54-134mm
|
|
Transport
|
DHL,UPS,EMS,TNT,Fedex or as your request
|
|
Package
|
packages are availbale
|
| Coating Classifying and Advantage | |||||
| Item | Coating Type | AlTin | Tialn | TiSin | Naco |
| Characteristic | Hardness(HV) | 3200 | 2800 | 3600 | 42(GPA) |
| Thickness(UM) | 2.5-3 | 2.5-3 | 3 | 3 | |
| Oxidation Temp.(ºC) | 900 | 800 | 1000 | 1200 | |
| Friction Coefficient | 0.3 | 0.3 | 0.45 | 0.4 | |
| Color | Black | Violet | Copper | Blue | |
|
Code
|
Dimension Series
|
|||||
|
Internal cooling
|
Edge
diameter(d) |
Overall
length(L) |
Segment
difference length(L1) |
Handle
length(Lc) |
Slollength(L2)
|
Handle
diameter(D) |
|
2DTC-6MD0300
|
3.00
|
62
|
26
|
36
|
20
|
6
|
|
2DTC-6MD0310
|
3.10
|
62
|
26
|
36
|
20
|
6
|
|
2DTC-6MD0320
|
3.20
|
62
|
26
|
36
|
20
|
6
|
|
2DTC-6MD0330
|
3.30
|
62
|
26
|
36
|
20
|
6
|
|
2DTC-6MD0340
|
3.40
|
62
|
26
|
36
|
20
|
6
|
|
2DTC-6MD0350
|
3.50
|
62
|
26
|
36
|
20
|
6
|
|
2DTC-6MD0360
|
3.60
|
62
|
26
|
36
|
20
|
6
|
|
2DTC-6MD0370
|
3.70
|
62
|
26
|
36
|
20
|
6
|
|
2DTC-6MD0380
|
3.80
|
66
|
30
|
36
|
24
|
6
|
|
2DTC-6MD0390
|
3.90
|
66
|
30
|
36
|
24
|
6
|
|
2DTC-6MD0400
|
4.00
|
66
|
30
|
36
|
24
|
6
|
|
2DTC-6MD0410
|
4.10
|
66
|
30
|
36
|
24
|
6
|
|
2DTC-20MD1930
|
19.30
|
131
|
81
|
50
|
79
|
20
|
|
2DTC-20MD1940
|
19.40
|
131
|
81
|
50
|
79
|
20
|
|
2DTC-20MD1950
|
19.50
|
131
|
81
|
50
|
79
|
20
|
|
2DTC-20MD1960
|
19.60
|
131
|
81
|
50
|
79
|
20
|
|
2DTC-20MD1970
|
19.70
|
131
|
81
|
50
|
79
|
20
|
|
2DTC-20MD1980
|
19.80
|
131
|
81
|
50
|
79
|
20
|
|
2DTC-20MD1990
|
19.90
|
131
|
81
|
50
|
79
|
20
|
|
2DTC-20MD2000
|
20.00
|
131
|
81
|
50
|
79
|
20
|
|
2DTC-20LD1920
|
19.20
|
153
|
103
|
50
|
101
|
20
|
|
2DTC-20LD1930
|
19.30
|
153
|
103
|
50
|
101
|
20
|
|
2DTC-20LD1940
|
19.40
|
153
|
103
|
50
|
101
|
20
|
|
2DTC-20LD1950
|
19.50
|
153
|
103
|
50
|
101
|
20
|
|
2DTC-20LD1960
|
19.60
|
153
|
103
|
50
|
101
|
20
|
|
2DTC-20LD1970
|
19.70
|
153
|
103
|
50
|
101
|
20
|
|
2DTC-20LD1980
|
19.80
|
153
|
103
|
50
|
101
|
20
|
|
2DTC-20LD1990
|
19.90
|
153
|
103
|
50
|
101
|
20
|
|
2DTC-20LD2000
|
20.00
|
153
|
103
|
50
|
101
|
20
|
|
2DTC-18XLD1780
|
17.80
|
185
|
137
|
48
|
135
|
18
|
|
2DTC-18XLD1800
|
18.00
|
185
|
137
|
48
|
135
|
18
|
|
2DTC-20XLD1850
|
18.50
|
200
|
150
|
50
|
148
|
20
|
|
2DTC-20XLD1880
|
18.80
|
200
|
150
|
50
|
148
|
20
|
|
2DTC-20XLD1900
|
19.00
|
200
|
150
|
50
|
148
|
20
|
|
2DTC-20XLD1905
|
19.05
|
200
|
150
|
50
|
148
|
20
|
|
2DTC-20XLD1950
|
19.50
|
200
|
150
|
50
|
148
|
20
|
|
2DTC-20XLD1980
|
19.80
|
200
|
150
|
50
|
148
|
20
|
|
2DTC-20XLD2000
|
20.00
|
200
|
150
|
50
|
148
|
20
|
-
Package and shipping details
Laser brand on the cutter's shank , 1 pc in a plastic tube , 10pcs a group
We cooperated with DHL , Fedex, UPS ,TNT, EMS and other express you wanted.
-
Delivery Time
For samples , we dispatch your tools in 2-7 workdays .
For formal orders,We delivery tools to you in 7-30 workdays , it will depond on your order quantity. -
Payment Term
T/T ,Western Union , MoneyGram,L/C
Changzhou Hiboo Tools Co., Ltd is a high-tech enterprise with all vitality, potential and comprehensive Strength. The company located in Changzhou, Jiangsu, China, a unique place near by Shanghai.We are Gold Supplier who specialized in producting and exporting Carbide End Mills, Drills, Inserts, Reamers and more other customized cutting tools.The efficient workshop and Imported 5AXIS grind machines run by skillful operators. The strict inspection standards to make sure each cutter is inspected by Zoller Measuring and Inspecting Machine. Now, Our monthly output up to 50000pcs of carbide end mills, drills ect, More than 20000 cutters are in stock which meet your urgent requirements. Enough Raw Materials in stock to keep the price stability.



About the Supplier
This supplier has been audited by CTI. Verify the report on the official CTI website with ID "QIP-ASR244734". Items marked "" are certified.
Company Profile
We located In Changzhou City, About 1 Hours from Shanghai, China. We has committed to manufacturing solid carbide end mills, Drills, reamers, Inserts, Both standard and Nonstandard tools, offering high quality cutting tools, competitive price and unequaled customer service.
Our carbide cutting tools For the medical fields including Orthodontics, Orthopedics, Catheters, and Surgical instruments; For the automotive parts and engines, motorcycles, snowmobiles, and bicycle industries; For pattern and mold makers; For general manufacturing in marine, recreational and consumer products industries; For the plastics industry, and For the woodworking industry.
Efficient workshop and 5AXIS grind machines run by skillful operators. We have our partners as complementarities sited around our factory in 5 Km who is product turning tools, holder And others, they are all around our factory in 5 Km. So, you can trust us that we must satisfy your needs.
We earned reputation of good quality, Fast producting, Delivery in time, reliable service. Hiboo will continue to introduce some new series of tools to meet different requirements. Sincerely Welcome to inquiry products and visit our company, thanks.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No. 26 Lingshan Mid Rd., No. 23-1 Block Tools Industrial Park, Xixiashu Town, Xinbei District, Changzhou, Jiangsu, China
-
Plant Area
- 2394.12 square meters
-
Number of Employees
- 40
-
Registered Capital
- 2,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- Shanghai Port
-
Minimum Order Quantity
- 5 Pieces
-
Supply Chain Partners
- 40
Our Production Capability & Technical Expertise
-
Main Products
- Carbide End Mill, Carbide Drill, End Milling Cutter, Carbide Reamer, Carbide Ball Nose End Mill, Carbide Corner Radius End Mill, Carbide Rods, Roughing End Mill, Carbide Taper End Mill
-
Production Lines
- 6
-
Production Machines
- CNC Lathe 1, CNC Lathe 2, CNC Lathe 3, Centerless Grinding Machine, Surface Grinding Machine
-
QA/QC inspectors
- 2 people
-
Inspection Type for Finished Products
- Random inspection(Function inspection & Visual inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization
-
ODM Service Available
- Yes
-
R&D Engineers
- 3 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2009-02-18
-
Export Year
- 14 Years
-
Main Markets
- South America, Europe, Southeast Asia/ Mideast, Domestic
-
Repeat Buyers Choice
- 30%~50%
-
Number of Foreign Trading Staff
- 5
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- What is the minimum order quantity?
- The minimum order quantity is 5 pieces.
- What is the delivery time for samples?
- Samples are dispatched within 2-7 workdays.
- What are the available payment terms?
- We accept T/T, Western Union, MoneyGram, and L/C.
- Can the drill bits be customized?
- Yes, we offer full customization from samples or designs.
- What coatings are available for these tools?
- Available coatings include AlTiN, TiAlN, TiSiN, and Naco.
- How is the product packaged?
- Each cutter is packed in a plastic tube, with 10 pieces per group.
- What is the processing precision?
- The processing precision is 0.005.
- What is the lead time for formal orders?
- Formal orders are delivered within 7-30 workdays depending on quantity.
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