Solid Carbide Inner Coolant Twist Drill Bit Cutter 3D Drilling Tool
Contact Supplier
Product Attributes
- Customization
- Available
- Type
- Drill Bit
- Material
- Tungsten Carbide
- Model NO.
- eitfs3500
- Usage
- Wood Drilling, Well Drilling, PCB Drilling, Metal Drilling, Masonry Drilling
- Flute Diameter
- 0.3-40mm
- Dia Size
- 4mm-40mm
- Precision
- 0.005~-0.01mm
- Over All Length
- 38-330mm
- HRC
- 45/55/60/65HRC
- Suitable for
- Coper.Cast Iron.Carbon Steel.Mould Steel
- Controlling Mode
- CNC System
- Use
- Metal Drilling
- Brand
- Eitfs
- Coating
- Customized(Altin, Tialn, Tin, Nano, etc)
- Transport Package
- Each Piece with Plastic Box in Carton.
- Trademark
- eitfs
- Origin
- China
- Production Capacity
- 3000 Piece/Pieces Per Month
- Package Size
- 3.00cm * 3.00cm * 10.00cm
- Package Gross Weight
- 0.025kg
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 Solid Carbide Inner Coolant Twist Drill Bit Cutter 3D Drilling Tool
Find Similar Products
Product Description
Products Function:
1.HRC: HRC45 HRC50 HRC55 HRC58 HRC60 HRC65
2.Coated: AlTiN, TiAlN, TiAISI, TiSiN, TiN, DLC, Nano, Diamond
3.Could be used for the processing of copper, cast iron, carbon steel, mould steel, stainless steel, titanium alloy, tool steel, and heat-treated steel
Products Features:
1. The Special Design on drill point increases the Centering ability and Chip Breaking ability.
2. Suitable for high speed drilling on steel, cast iron and stainless steel with AlTiN coating.
3. The sharper and polished cutting edge reduce the resistance and torque in drilling.
4. Honed flute with big load increases the chip removal ability.
Specification:
![]() |
||||||
Solid Carbide Inner Coolant Drill Bit-3D |
||||||
| d1 | d2 | L1 | L2 | L3 | L4 | Coolant solution |
| 3.00-3.70 | 6 | 62 | 20 | 14 | 36 | Inner Coolant |
| 4.00-4.65 | 6 | 66 | 24 | 17 | 36 | Inner Coolant |
| 4.80-6.00 | 6 | 66 | 28 | 20 | 36 | Inner Coolant |
| 6.10-7.00 | 8 | 79 | 34 | 24 | 36 | Inner Coolant |
| 7.10-8.00 | 8 | 79 | 41 | 29 | 36 | Inner Coolant |
| 8.10-10.00 | 10 | 89 | 47 | 35 | 40 | Inner Coolant |
| 10.25-12.00 | 12 | 102 | 55 | 40 | 45 | Inner Coolant |
| 12.25-14.00 | 14 | 107 | 60 | 43 | 45 | Inner Coolant |
| 14.25-16.00 | 16 | 115 | 65 | 45 | 48 | Inner Coolant |
| 16.50-18.00 | 18 | 123 | 73 | 51 | 48 | Inner Coolant |
| 18.50-20.00 | 20 | 131 | 79 | 55 | 50 | Inner Coolant |
| 20.50-25.00 | 25 | 140 | 85 | 60 | 56 | Inner Coolant |
|
Customized Tools are Acceptable |
||||||
Our Advantages:
1. Chip breaker ability
2. Abrasion condition of side cutting edge after processing 60m
3. Abrasion condition of top cutting edge after processing 60m
Our Company:
Changzhou Aitefasi Tool Co., Ltd. founded in 2004, is a high-tech manufacturer specialized in providing High-performance carbide cutting tools. Many high-performance equipments which are from Germany, USA and Switze produce high-quality cnc tools, including:
1. Tungsten Solid Carbide Drill Bits
Inner coolant and outer coolant drill bits.
Support 3XD, 5XD, 8XD, 20XD, even more length and customized accepts.
Twist drill, center drill, bottom drill and other types of drill bits.
2. Tungsten Solid Carbide End Mill
Square end mill, ball nose end mill and other end mills.
3. Tungsten Solid Carbide Reamer
Twist and straight flute, with high precision and long life.
4. Customized CNC Cutters
Customized as requirements, ODM & OEM accepts.
Equippments & Quality Control System
1. Imported production equipment
2 sets "Walter HP" from Germany, specializing in manufacture large diameter tools;
1 set "Walter Micro"from Germany,specializing in manufacture Micro diameter tools;
2 sets Schutte Wu 305 Linear from German;
2 sets Star PTG6 from USA;
2 sets "Rollomatic GrindSmart628XS" high precision grinding machine from Switzerland;
1 set Rollomatic NP5 from Switzerland.
2. Imported inspection equipment
1 set URMA digiset 3 tool measuring equipment from Switzerland;
2 sets PG 1000 tool measuring equipment testing the point of drill bit from USA;
1 set Mitutoyo Laser Scan Micrometer Equipment.
3. Strict quality control
Strict quality control process covers every step of production from the raw materials to the finished product, and provide strict quality warranty.
Production Process:

Certification:
Exhibition:
Package & Delivery:
Frequently Asked Questions:
Q1. What is your terms of payment?
A: T/T 50% as deposit, and 50% before delivery. We'll show you the photos of the products and packages before you do the rest payment.
Q2. What are your terms of delivery?
A: EXW, FOB, CFR, CIF, ETC.
Q3. How about your delivery time?
A: Generally, It will take 10-15 days after receiving your advance payment.
The specific delivery time depends on the items and the quantity of your order.
Q4. Do you provide samples ? is it free or extra ?
A: Yes, we could offer our stock sample for free charge and you please pay the cost of freight.
Custom cutting tools negotiated then we will quote the best sample cost.
More questions, please feel free to send us inquiry below !!!
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR2541992". Items marked "" are certified.
Company Profile
Changzhou Aitefasi Tools Co., Ltd. is a professional enterprise which specializes in design, manufacture and sale of solid carbide cutting tools. Such as, solid carbide drill bits, end mills and reamers. What's more, customized cutting tools can be designed for the clients.
1. Single flute end mill (used for wood, plastic and aluminum)
Extensive use and good processing effect with favorable price.
2. Square end mill(used for different metals, such as cast iron, structural iron, stainless steel and etc. )
Good finishing and a variety of coating could processing difficult cutting materials.
3. Drill bits(used for high hardness material)
3XD, 5XD, 8XD, 20XD...Supports custom. High-quality drills have a ggod record of 8, 000 holes on stainless steel sheet.
Our high quality tools are produced by advanced CNC grinding machines from Germany, USA and Switze. All the tools are widely applied in the area of machinery processing, like automobile, mould, plastic and so on.
"Advanced tools, process advanced products". With our high performance tools, you will process high performance products.
Most of Chinese factory have almost same service and quality. But we are better in below aspect.
1. Our professional R&D team can provide customized tool solution for you.
2. The lifetime of Our inner coolant drill bit is 30% longer than Kennametal's. We have produced OEM products for OSG. We trust you will like our quality after test our samples.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No. 106 Weishanhu Road, Xixiashu Town, Xinbei Distict, Changzhou, Jiangsu, China
-
Plant Area
- 9140 square meters
-
Number of Employees
- 44
-
Registered Capital
- 1,000,000 RMB
-
Terms of Payment
- T/T, D/P, PayPal, Western Union, Small-amount payment, LC
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- Shanghai Port
-
Minimum Order Quantity
- 10 Pcs
-
Supply Chain Partners
- 15
Our Production Capability & Technical Expertise
-
Main Products
- End Mill
-
Production Lines
- 2
-
Production Machines
- Polishing Machine, Machining Center, Cutting Tool Inspection System, Shot Blasting Machine, Cutting Tool Measurement Machine
-
QA/QC inspectors
- 2 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 2 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2004-03-24
-
Export Year
- 10 years
-
Main Markets
- North America, Europe, East Asia(Japan/ South Korea)
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 5
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015
-
Cooperated with Fortune 500
- No
Send your message to this supplier
People who viewed this also viewed
-
US$3.50-5.50 / Piece
-
US$8.84-10.04 / Piece
Product Groups
- Carbide Square End Mill
- Carbide Ball Nose End Mill
- Carbide Corner Radius End Mill
- Carbide Micro End Mill
- Carbide Roughing End Mill
- Carbide End Mill For Stainless Steel
- Carbide End Mill For Aluminium
- Carbide End Mill For Wood
- Carbide Single Flute End Mill
- Carbide Twist Drill Bit
- Carbide Flat Bottom Drill
- Carbide Pilot Drill
Find Similar Products By Category
- Supplier Homepage
- Products
- Carbide Twist Drill Bit
- Solid Carbide Inner Coolant Twist Drill Bit Cutter 3D Drilling Tool
Related Categories
Hot Searches
- Hammer Drill Factories
- Drill Set Factories
- Impact Drill Factories
- Electric Drill Factories
- Bits For Drill
- Carbide Drill Tool
- Used Carbide Drill Bits
- Drill Bit Carbide Tungsten
- Drill Bits Metal
- Twist Drill Bit Bulkbuy