ケイアイワールド List of Products and Services

The "Kōki Series" ultra-hard end mills (square end mills) utilize ultra-fine particle carbide with excellent wear resistance and toughness, along with a coating that offers high hardness and oxidation resistance, making them suitable for mold processing and part machining. These affordable, high-precision, and high-performance ultra-hard end mills assist in improving customer machining efficiency and achieving cost reductions. They can be used in various situations, including high-speed rotation, high-speed feed, compatibility with a wide range of materials, processing of high-hardness materials, and hardened steel. *For more details, please refer to the PDF or contact us.*

• End Mills

The ultra-hard ball end mill "Ieyasu Series" features an ultra-fine particle carbide alloy with excellent wear resistance and toughness, along with a coating that offers high hardness and oxidation resistance, making it suitable for mold cutting. It helps improve processing efficiency for customers and achieves cost reduction. This is an inexpensive, high-precision, high-performance ultra-hard ball end mill. It can be used in various situations such as high-speed rotation, high-speed feed, compatibility with a wide range of materials, deep cutting, and graphite processing. *For more details, please refer to the PDF or contact us.

• End Mills

Our company has been in business for 28 years, primarily focusing on the regrinding of cutting tools, providing services that large manufacturers cannot offer. In the field of "cutting tool regrinding," we use specialized machines to automatically cut to specified dimensions, including four-flute ball end mills, unequal flute regrinding, and laser engraving of outer dimensions. We have achieved an average cost reduction of 22% through the reuse of expensive tools. In addition to standard stock items, we can accommodate various tools upon request. We manufacture special cutting tools by applying a wide variety of work materials and coating treatments according to processing conditions. Based on our production record of 1.3 million units, we can also handle carbide materials and special shapes. Our sales representatives for regrinding directly visit customers to check the condition of cutting tools, which has been well-received by customers as it makes it easy to reach out when they have concerns. *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract

Our company has been in business for 28 years, primarily focusing on the regrinding of cutting tools in Aichi Prefecture, providing services that large manufacturers cannot offer. In the field of "cutting tool regrinding," we use specialized machines to automatically cut to specified dimensions, including four-flute ball end mills, unequal flute regrinding, and outer dimension laser engraving. We achieve an average cost reduction of 22% through the reuse of expensive tools. Additionally, we handle a wide range of cutting tools from major manufacturers and can accommodate various tools upon request, even those not in standard stock. We manufacture special cutting tools with a variety of work materials and coating treatments tailored to processing conditions. Based on a production record of 1.3 million units, we can also handle carbide materials and special shapes. [Examples of Special Cutting Tools] - Straight Neck Ball End Mill R1.0, neck length 10mm - High Helical Radius End Mill Φ6-R0.5, 6 flutes - Straight Neck Radius Φ4-R0.1, neck length 25mm *For more details, please refer to the PDF document or feel free to contact us.

• Other cutting tools

We would like to introduce our cutting tool coating, "MAYURA." The coating colors are Rainbow/Rainbow Black. The friction coefficient (dry) is <0.10, and the processing temperature is <150°C. Please feel free to contact us if you have any requests. 【Specifications (partial)】 ■ Coating material: ta-C ■ Hardness HIT (GPa): >65 ■ Friction coefficient (dry): <0.10 ■ Maximum operating temperature (°C): >500 ■ Film thickness (μm): 0.3, 0.8, 1.5 *For more details, please refer to the PDF document or feel free to contact us.

• Other cutting tools
• Coating Agent
• Other metal materials

We would like to introduce our cutting tool coating 'DIAMOND'. The hardness (Hv0.05) is 8,000/10,000, and the friction coefficient (against SUJ-2, dry) is 0.51-0.2. The color tone is black-gray, and the maximum operating temperature is 300℃. Please feel free to contact us if you have any requests. 【Specifications】 ■ Hardness (Hv0.05): 8,000/10,000 ■ Friction coefficient (against SUJ-2, dry): 0.51-0.2 ■ Film thickness (μm): 1-10 ■ Maximum operating temperature (℃): 300 ■ Color tone: Black-gray *For more details, please refer to the PDF document or feel free to contact us.

• Other cutting tools
• Coating Agent
• Non-ferrous metals

We would like to introduce the coating 'DLC' for cutting tools that we handle. The friction coefficient (against SUJ-2, dry) is 01-02, with a color tone of black-gray. The maximum operating temperature is 350°C, and the film thickness is 1-2.5μm. Please feel free to contact us if you have any requests. 【Specifications】 ■ Hardness (Hv0.05): 2,500 ■ Friction coefficient (against SUJ-2, dry): 01-02 ■ Film thickness (μm): 1-2.5 ■ Maximum operating temperature (°C): 350 ■ Color tone: Black-gray *For more details, please refer to the PDF document or feel free to contact us.

• Other cutting tools
• Coating Agent
• Other metal materials

We would like to introduce our cutting tool coating, 'OS-C (CrSiN type).' The hardness (Hv0.05) is 2,500, and the maximum operating temperature is 1,000°C. The film thickness is 3-5μm, and the color tone is silver. Please feel free to contact us if you have any inquiries. 【Specifications】 ■ Hardness (Hv0.05): 2,500 ■ Coefficient of friction (against SUJ-2, dry): 0.4 ■ Film thickness (μm): 3-5 ■ Maximum operating temperature (°C): 1,000 ■ Color tone: Silver *For more details, please refer to the PDF document or feel free to contact us.

• Other cutting tools
• Coating Agent
• Other metal materials

We would like to introduce our cutting tool coating 'OS-T (TiSi-based)'. The film thickness is 2-4μm, the color tone is copper-gold, and the hardness (Hv0.05) is 3,500. The friction coefficient (against SUJ-2, dry) is 0.55. Please feel free to contact us if you have any requests. 【Specifications】 ■ Hardness (Hv0.05): 3,500 ■ Friction coefficient (against SUJ-2, dry): 0.55 ■ Film thickness (μm): 2-4 ■ Maximum operating temperature (℃): 1,100 ■ Color tone: copper-gold *For more details, please refer to the PDF document or feel free to contact us.

• Other cutting tools
• Coating Agent
• Other metal materials

We would like to introduce our cutting tool coating, 'LATUMA'. The coefficient of friction (against SUJ-2, dry) is 0.25, with a maximum operating temperature of 1,100°C. The hardness (Hv0.05) is 3,000. Please feel free to contact us if you have any inquiries. 【Specifications】 ■ Hardness (Hv0.05): 3,000 ■ Coefficient of friction (against SUJ-2, dry): 0.25 ■ Film thickness (μm): 1-6 ■ Maximum operating temperature (°C): 1,100 ■ Color tone: violet gray *For more details, please refer to the PDF document or feel free to contact us.

• Other cutting tools
• Coating Agent
• Other metal materials

We would like to introduce our cutting tool coating, 'TISINOS'. The coating material is AITiSiN-based, with a hardness HIT of 38 +/- 1 GPa. The maximum operating temperature is 1,000°C, and the processing temperature is <500°C. Please feel free to contact us if you have any inquiries. 【Specifications】 ■ Coating material: AITiSiN-based ■ Hardness HIT (GPa): 38 +/- 1 ■ Compressive stress (GPa): -3.1 +/- 1 ■ Maximum operating temperature (°C): 1,000 ■ Processing temperature (°C): <500 ■ Coating color: Bronze *For more details, please refer to the PDF document or feel free to contact us.

• Other cutting tools
• Coating Agent
• Other metal materials

We would like to introduce our cutting tool coating 'TiN'. The color is golden, the hardness (Hv0.05) is 2,300, and the film thickness is 1-5μm. The maximum operating temperature is 600℃. Please feel free to contact us if you have any requests. 【Specifications】 ■ Hardness (Hv0.05): 2,300 ■ Coefficient of friction (against SUJ-2, dry): 0.4 ■ Film thickness (μm): 1-5 ■ Maximum operating temperature (℃): 600 ■ Color: Golden *For more details, please refer to the PDF document or feel free to contact us.

• Other cutting tools
• Coating Agent
• Other metal materials

We would like to introduce our cutting tool coating 'G6'. The maximum operating temperature is 1,100°C, and the film thickness is 1-6μm. The friction coefficient (against SUJ-2, dry) is 0.35. Please feel free to contact us if you have any inquiries. 【Specifications】 ■ Hardness (Hv0.05): 3,200 ■ Friction coefficient (against SUJ-2, dry): 0.35 ■ Film thickness (μm): 1-6 ■ Maximum operating temperature (°C): 1,100 ■ Color tone: Blue-gray *For more details, please refer to the PDF document or feel free to contact us.

• Other cutting tools
• Coating Agent
• Other metal materials

We would like to introduce our cutting tool coating 'TiAIN'. The hardness (Hv0.05) is 3,300, and the friction coefficient (against SUJ-2, dry) is 0.3-0.35. The color tone is violet gray. Please feel free to contact us if you have any requests. 【Specifications】 ■ Hardness (Hv0.05): 3,300 ■ Friction coefficient (against SUJ-2, dry): 0.3-0.35 ■ Film thickness (μm): 2-5 ■ Maximum operating temperature (°C): 900 ■ Color tone: violet gray *For more details, please refer to the PDF document or feel free to contact us.

• Other cutting tools
• Coating Agent
• Other metal materials

Our company has taken the lead in equipping NC automatic machines and has been engaged in regrinding processes. Our achievements have received high evaluations and strong trust from various manufacturing industries, including automotive-related companies, computer-related companies, and home appliance manufacturers. 【Equipment Owned (Excerpt)】 - NC Precision Tool Grinding Machine - Universal Tool Grinding Machine - Drill Grinding Machine - Automatic Cutting Machine - Precision Tool Microscope - Roundness Measuring Instrument - Laser Marker - Laser Scanning Micrometer - Precision Tool Measuring Instrument *For more details, please download the PDF or contact us.

• Other cutting tools

Our company has 30 years of experience in regrinding various cutting tools, and our corporate motto is to live together with our customers. As a factor for cost reduction, we are advancing automation with the aim of becoming a smart factory ahead of the industry. We have the equipment to regrind all types of cutting tools, capable of processing a wide range from small to large diameters. *For more details, please download the PDF or contact us.

• Other cutting tools

This product has been developed through research and development by a supplier with over 100 years of experience in powder metallurgy and more than 1,000 patents and utility models. You can choose the ultra-hard material "CT-GS20Y," which achieves performance equivalent to the premium grade currently in use and sustainable production. Please feel free to contact us if you are looking for cutting tools that can reduce CO2 emissions. 【Features】 - The carbon dioxide emissions per kilogram of cemented carbide are 2.6 kg. - As a premium grade with the highest performance, it achieves an exceptionally low carbon hot print. - The investigation and calculation of the product's carbon hot print (RCF) are based on the corporate carbon hot print (CCF) verified at our production site in Austria. *For more details, please download the PDF or contact us.

• Other cutting tools

We assist in improving your processing efficiency and achieving cost reduction. Affordable, high-precision, and high-performance carbide end mills have made a comeback. The "Kikuni Series" features ultra-fine particle carbide with excellent wear resistance and toughness, along with a coating that offers high hardness and oxidation resistance. 【Product Lineup】 - 2-flute square end mill - 4-flute square end mill - 4-flute high helical end mill - 6-flute high helical end mill - Coating - After-sales service *For more details, please download the PDF or contact us.

• Other cutting tools

We assist in improving your processing efficiency and achieving cost reduction. Affordable, high-precision, and high-performance carbide ball end mills have made a comeback. The "Ieyasu Series" features ultra-fine particle carbide with excellent wear resistance and toughness, along with coatings that offer high hardness and oxidation resistance. 【Product Lineup】 - 2-flute ball end mill - 2-flute ball end mill with long shank - 2-flute tapered neck ball end mill - 2-flute straight neck ball end mill - 2-flute ball end mill for graphite - 2-flute DIA-coated ball end mill for graphite - Coatings - After-sales service *For more details, please download the PDF or contact us.

• Other cutting tools

With the motto "Living together with our customers," Kei Ai World reflects customer feedback in its products. Our sales representatives visit customers directly, gather their opinions and requests in detail during the collection and delivery process, and utilize our technology to create satisfactory products. This time, we conducted interviews with our employees (Kanto Sales Department) to share the voices from the field. 【Interview Content】 ■ What prompted you to join the company? ■ What was your first challenging experience? ■ Please tell us about the basic job responsibilities. ■ What do you find rewarding in your current role? ■ What do you want to achieve in the company in the future? *For more details, please refer to the PDF document or feel free to contact us.

• Other cutting tools

With the motto "Living together with our customers," Kei Ai World reflects the voices of our customers in our products. Our sales representatives visit directly, collect feedback, and carry out delivery operations, carefully listening to customer opinions and requests to realize satisfactory products through our technology. This time, we conducted interviews with our employees (Manufacturing Department) to share the voices from the field. 【Interview Content】 ■ What prompted you to join the company? ■ What was your first challenging experience? ■ Please tell us about the basic content of your work. ■ What do you find rewarding in your current role? ■ What do you want to achieve in the company in the future? *For more details, please refer to the PDF document or feel free to contact us.

• Other cutting tools

Regarding the coatings that significantly affect the lifespan of the tools we offer, we can collaborate with Japan EriCon Balzers Co., Ltd. to select the most suitable coating for each user. We have a wide range of options, from "TiAIN" with a hardness of [Hv0.05] 3,300 to "DIAMOND" with hardness levels of [Hv0.05] 8,000/10,000. You can find the perfect coating for a variety of work materials and processing conditions. 【Coating Lineup (Partial)】 ■TiAIN ■TiCN ■HELICA ■OS-C ■DLC *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract

Our company has the technology for manufacturing new products, and we process materials entrusted to us by customers to make them as good as new. Even items that previously could only be discarded can be revived by cutting out the usable parts. By recycling, we reduce the amount of waste and contribute to environmental issues. If customers have specific requests, we can create various shapes for the regenerated tools, including ball end mills, radius end mills, high helical end mills, and chamfer cutters. Please contact us for more details. 【Features】 - Processing materials entrusted by customers to make them as good as new - Reviving items by cutting out only the usable parts - Reducing waste through recycling and contributing to environmental issues - Regenerated tools can be made in various shapes (ball end mills, radius end mills, high helical end mills, chamfer cutters) *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract

We have made it possible to regrind small-diameter tools, which were previously difficult to regrind, by introducing specialized processing machines and dedicated measuring instruments. By implementing advanced CCD micrometers, we have been able to measure items that could not be measured with conventional touch sensors, ensuring stable positioning accuracy. At the same time, we have used specialized motors with extremely low vibration, enabling the processing of small-diameter tools. Please feel free to contact us if you have any requests. *For more details, please download the PDF or contact us.

• Wafer processing/polishing equipment