Carbide Internal Cold Normal Steel Machining Drill D2300-3xD(3-7.5) Series

  1. Ideal for Steel and Cast Iron: Suitable for materials with hardness ranging from HRC25 to HRC48.
  2. Enhanced Edge Strength: Features unique linear chip edge treatment technology, improving edge strength and anti-chipping performance.
  3. AITIN Coating for Durability: Equipped with a new AITIN coating that offers excellent wear resistance.
  4. Advanced Substrate and Precision Engineering: High-quality tungsten steel with a versatile new substrate coating, processed by high-precision imported CNC machines. Provides strong centering ability, stable dimensional accuracy, and a superior surface finish, especially in high-rigidity systems.
Diameter range:
3 - 7.5 mm
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Product Options

Model number Blade diameter d1 (m7) Thread Size M Metric Shank diameter d2(h6) Overall length l1 Groove length l2 Maximum depth of cut l3 Shank length l4 Quantity Cart
- D2303-CHA-D0300 3 6cm 62 20kg 14cm 36
- D2303-CHA-D0325 3.25 6cm 62 20kg 14cm 36
- D2303-CHA-D 0330 3.3 M4 6cm 62 20kg 14cm 36
- D2303-CHA-D0340 3.4 6cm 62 20kg 14cm 36
- D2303-CHA-D0350 3.5 6cm 62 20kg 14cm 36
- D2303-CHA-D0370 3.7 6cm 62 20kg 14cm 36
- D2303-CHA-D0400 4 6cm 66 24kg 17cm 36
- D2303-CHA-D0420 4.2 M5 6cm 66 24kg 17cm 36
- D2303-CHA-D0430 4.3 6cm 66 24kg 17cm 36
- D2303-CHA-D0450 4.5 6cm 66 24kg 17cm 36
- D2303-CHA-D0465 4.65 6cm 66 24kg 17cm 36
- D2303-CHA-D0480 4.8 6cm 66 28kg 20cm 36
- D2303-CHA-D0500 5 M6 6cm 66 28kg 20cm 36
- D2303-CHA-D0510 5.1 6cm 66 28kg 20cm 36
- D2303-CHA-D0520 5.2 6cm 66 28kg 20cm 36
- D2303-CHA-D0550 5.5 6cm 66 28kg 20cm 36
- D2303-CHA-D0555 5.55 6cm 66 28kg 20cm 36
- D2303-CHA-D0580 5.8 6cm 66 28kg 20cm 36
- D2303-CHA-D 0600 6 6cm 66 28kg 20cm 36
- D2303-CHA-D0610 6.1 8cm 79 34kg 24cm 36
- D2303-CHA-D0620 6.2 8cm 79 34kg 24cm 36
- D2303-CHA-D0630 6.3 8cm 79 34kg 24cm 36
- D2303-CHA-D0650 6.5 8cm 79 34kg 24cm 36
- D2303-CHA-D0660 6.6 8cm 79 34kg 24cm 36
- D2303-CHA-D0680 6.8 M8 8cm 79 34kg 24cm 36
- D2303-CHA-D0690 6.9 8cm 79 34kg 24cm 79
- D2303-CHA-D0700 7 M8X1 8cm 79 32kg 24cm 36
- D2303-CHA-D0710 7.1 8cm 79 41kg 29cm 36
- D2303-CHA-D0740 7.4 8cm 79 41kg 29cm 36
- D2303-CHA-D0750 7.5 8cm 79 41kg 29cm 36
See P60 for recommended cutting parameters
Size Range D(m7) d(h6)
≥2-3 +0.002/+0.012 0.000/-0.006
>3-6 +0.004/+0.016 0.000/-0.008
>6-10 +0.006/+0.021 0.000/-0.009
>10-18 +0.007/+0.025 0.000/-0.011
>18-20 +0.008/+0.029 0.000/-0.013

Unit(mm)

Our Advantage

Precision manufacturing

Our products through the most advanced manufacturing process and strict quality management system to ensure the accuracy and reliability of each product.

Global supply chain

Our products and services are available throughout North America, the EU, the Middle East, and Asia, and are trusted by companies such as Apple, Samsung, Boeing, Airbus, and more.

Innovative R&D

Our team of senior technical engineers with more than 40 years of experience is dedicated to product development and testing to meet the changing needs of our customers.

Our Characteristics

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Milling tools

Milling is one of the most varied production processes in metalworking. The process creates precise, complex components that are used in many areas. JINOO provides suitable milling tools for machining different materials depending on the application. The range extends from all-rounders to specialist tools, from conventional roughing cutters to modern HPC/HSC strategies such as dynamic trochoidal milling (GTC) or iMachining (SolidCAM). Different cutting materials are also used for the milling cutters.

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Form perfect threads

Threading Tools, for the production of threads have a critical task in common: They are applied at the end of the production chain, when component parts or individual parts are practically finished. JINOO threading tools operate with process reliability – perfect for a demanding machining task at the end of the production chain.

There are several processes to lead to the desired result. No matter if the user decides on fluteless taps, thread taps or thread milling cutters, together with our product management and experienced application technicians we work out the most economical solution for producing a thread.

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Perfect reaming in all diameters: ExclusiveLine HR 500 carbide reamer bit

With the HR 500 high-performance reamers, you will find the ideal tool solution for all diameters from 1.97 to 150 mm. To always be able to apply the optimal HR 500 high-performance reamer there is a choice of various HR 500 types.

  • Solid carbide reaming tools up to 42 mm diameter
  • Carbide and cermet tipped reamers up to 150 mm diameter
  • Solid carbide reamers for intermediate dimensions and stepped tools in  HR 500 Active programme
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Application Scenarios

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Additional information

产品系列

D2303-CHA-D0300, D2303-CHA-D0325, D2303-CHA-D 0330, D2303-CHA-D0340, D2303-CHA-D0350, D2303-CHA-D0370, D2303-CHA-D0400, D2303-CHA-D0420, D2303-CHA-D0430, D2303-CHA-D0450, D2303-CHA-D0465, D2303-CHA-D0480, D2303-CHA-D0500, D2303-CHA-D0510, D2303-CHA-D0520, D2303-CHA-D0550, D2303-CHA-D0555, D2303-CHA-D0580, D2303-CHA-D 0600, D2303-CHA-D0610, D2303-CHA-D0620, D2303-CHA-D0630, D2303-CHA-D0650, D2303-CHA-D0660, D2303-CHA-D0680, D2303-CHA-D0690, D2303-CHA-D0700, D2303-CHA-D0710, D2303-CHA-D0740, D2303-CHA-D0750

Related products

JINOO experts are here to help you improve your drill performance!

ISO code

PSteel, high-alloyed steel / Ferritic stainless steel, Martensitic stainless steel
MStainless steel
KGrey cast iron, spher, graphite/mall. cast iron
NAluminium and other non-ferrous metals
SSpecial, super and titanium alloys
HHardened steel and chilled cast iron

On the following programme pages you will find for every tool recommendations regarding suitability for the application groups and details of max. tensile strength and harness:

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