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byte(cbn) - List of Manufacturers, Suppliers, Companies and Products

Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
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byte Product List

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Zhengzhou Diamond: High Precision! Low Price! CBN Tips and Blades for Gear Processing

Zhengzhou Diamond: High Precision! Low Price! CBN Tips and Blades for Gear Processing

We propose special tools that achieve high precision and significant cost reduction for finishing processes of gears, CBN inserts for hard turning, and cutting tools.

Zhengzhou Diamond is the largest manufacturer of PCD and CBN tools in China, supplying special tools for processing engine and transmission parts to 90% of automotive manufacturers and transmission manufacturers (foreign, Japanese, and local) in China. While it can manufacture extremely high-precision tools, it has achieved a 30% cost reduction compared to Japanese manufacturers, and its tools are used by major automotive manufacturers, construction machinery manufacturers, and heavy machinery manufacturers in Japan for engine parts and gear processing. Zhengzhou Diamond has a wealth of manufacturing and delivery experience with CBN inserts and cutting tools for gear finishing. By using Zhengzhou Diamond's special CBN tools, it is possible to achieve precise finishing of grooves, outer diameters, center holes, and end faces when processing high-hardness gears (HRC 58-60), significantly improving the efficiency of gear production. We are confident that our tool life and precision are on par with Japanese manufacturers, and we have case studies to support this, so please start by trying a test.

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  • Other cutting tools
  • byte
  • Transmission parts

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Compact Bite (Sintered Diamond/CBN)

Compact Bite (Sintered Diamond/CBN)

Demonstrates power in cutting non-ferrous metals and non-metals! Suitable for hardened alloy steel, tool steel, and heat-resistant alloys.

Introducing the "Compact Bite (Sintered Diamond and CBN)." The "Compact Diamond Bite" features wear resistance and sharpness, with a characteristic that makes it less prone to edge build-up. It provides an excellent finish, second only to natural diamond. Additionally, the "Compact CBN Bite" has a hardness second only to diamond, is resistant to high temperatures, and offers excellent cutting performance and lifespan against hard iron-based cutting materials with HRC 50 or higher during high-speed cutting. 【Features】 <Compact Diamond Bite> ■ Wear resistance ■ Less prone to edge build-up ■ Excellent finish, second only to natural diamond ■ Demonstrates power in cutting non-ferrous metals and non-metals *For more details, please refer to the PDF document or feel free to contact us.

  • byte

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Zhengzhou Diamond adopted in the Japanese market! PCD and CBN cutting tools for piston machining.

Zhengzhou Diamond adopted in the Japanese market! PCD and CBN cutting tools for piston machining.

Currently supplying PCD and CBN grooving tools to a major Japanese piston manufacturing company! Achieved a 30% cost reduction with the same lifespan as domestic manufacturers.

Zhengzhou Diamond is the largest manufacturer of PCD and CBN tools in China, supplying special tools for engine and automotive parts processing to 90% of automotive manufacturers in China (foreign, Japanese, and local). While it can manufacture extremely high-precision tools, it has achieved a cost reduction of about 30% compared to Japanese manufacturers, and its products are adopted by major automotive manufacturers, tier 1 suppliers, and major construction machinery manufacturers in Japan. It achieves the contour accuracy and surface roughness required for machining the ring grooves of engine pistons, with a wealth of delivery records in China and Europe, and has been continuously supplying to Japan's largest piston manufacturing group for over seven years. We are confident that our products match Japanese manufacturers in terms of lifespan and precision, and we have case studies to prove it, so please try starting with a test.

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  • byte

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DK (Original Chip) Grooving Tool

DK (Original Chip) Grooving Tool

We will carry out additional processing for standard chips and manufacture custom products from scratch! We will select materials suitable for the processing work and respond with small lot production and short delivery times.

The technical capabilities of Nikken Tool are demonstrated in the used chip reuse system, which has received high praise from numerous customers. In particular, high-cost tools are beneficial in reducing tool costs by being ground and reused multiple times. The work procedure manuals enable a stable supply of quality, and it has been recognized that they can be used just like new ones. Nikken Tool refers to this category as <RG>. On the other hand, our original chips, known as <DK>, are born from unique planning. Among them, the custom-made products called "special types" are processed individually according to customer requests. 【Features】 - Support for small lots and short delivery times - Proposals for chips tailored to customer needs - Cost reduction *For more details, please contact us or refer to the catalog.

  • Other cutting tools

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DK (Original Chip) Outer Diameter / Inner Diameter Bite

DK (Original Chip) Outer Diameter / Inner Diameter Bite

We will carry out additional processing for standard chips and manufacture custom products from scratch! We will select materials suitable for the processing work and respond with small lot production and short delivery times.

The technical capabilities of Nikken Tool are demonstrated in the used chip reuse system, which has received high praise from numerous customers. In particular, high-cost tools are beneficial in reducing tool costs by being ground and reused multiple times. The work procedure manuals enable a stable supply of quality, and it has been recognized that they can be used just like new ones. Nikken Tool refers to this category as <RG>. On the other hand, our original chips, born from unique planning, are referred to as <DK>. Among them, the custom-made products called "special types" are processed individually according to customer requests. 【Features】 - Support for small lots and short delivery times - Proposals for chips tailored to customer needs - Cost reduction *For more details, please contact us or refer to the catalog.

  • Other cutting tools

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Part-time job

Part-time job

We will carry out additional processing for standard chips and manufacture custom products from scratch! We select materials suitable for the processing work and respond with small lot production and short delivery times.

For cutting tools and indexable inserts (throwaway inserts), leave it to NTC! From the production of special shapes and custom inserts to consultations on chipping, abnormal wear countermeasures, and extending tool life, we will provide proposals that you will find "cheap and very affordable." Not only can we create custom-made inserts, but we can also accommodate shape changes and coating changes (PVD coating) for off-the-shelf products starting from small lots. If you have any issues with cutting tools such as blades or cutters, please feel free to consult us. Additionally, we offer a wide range of "beneficial" proposals, including cost reduction through the regrinding and reuse of used new TA inserts and the purchase (recycling) of used tools. Material compatibility range: carbide (tungsten), cermet, sintered diamond (PCD), cBN Cutting tool shape compatibility range: ground inserts, drills, end mills, reamers, brazing tools *For details, please contact us or refer to the catalog.

  • Other cutting tools

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Brazing bit

Brazing bit

We will carry out additional processing for standard chips and manufacture custom products from scratch! We select materials suitable for the processing work and respond with small lot production and short delivery times.

For cutting tools and indexable tips (throwaway tips), leave it to NTC! From the production of special shapes and custom tips to consultations on chipping, abnormal wear countermeasures, and extending tool life, we will provide proposals that you will feel are "cheap and very affordable." Not only can we create custom tips, but we can also accommodate shape changes and coating changes (PVD coating) for existing products starting from small lots. If you have any issues with cutting tools such as lathes or cutters, please feel free to consult us. Additionally, we offer a wide range of "beneficial" proposals, including cost reduction through the regrinding and reuse of used new TA tips and the purchase (recycling) of used tools. Material compatibility range: carbide (tungsten), cermet, sintered diamond (PCD), cBN Cutting tool shape compatibility range: ground shaped tips, drills, end mills, reamers, brazing tools *For details, please contact us or refer to the catalog.

  • Other cutting tools

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Mita Koki Co., Ltd. Business Introduction

Mita Koki Co., Ltd. Business Introduction

We respond to our customers' peace of mind with thorough quality assurance!

Mita Koki Co., Ltd. is a company that mainly deals with precision special cutting tools. Our company specializes in precision machining and has a well-equipped facility that allows for integrated production of cutting and grinding processes in-house. We also accept orders for a variety of small lots. Whether it’s precision special diamond products, precision jigs, or special tools, please feel free to consult with us. 【Product Line】 ■ Precision special cutting tools (HSS, carbide, CBN, diamond compact) ■ General-purpose cutting tools, jigs, drills, end mills, reamers, various types of claws, measuring instruments, measuring tools ■ Carbide and diamond center blades, various gauges, and many other types *For more details, please refer to our catalog or feel free to contact us.

  • Other machine elements

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CBN DK boring bar

CBN DK boring bar

All super hard (excluding CBN at the cutting edge) tool for high-precision turning of the inner diameter of hardened steel.

A tool that uses CBN sintered material at the cutting edge, allowing for high-precision turning of the inner diameter of hardened steel. ■ All carbide (excluding the CBN cutting edge) ■ Significantly improved vibration resistance with a robust body ■ High-quality finish. * The CBN part and carbide shank are brazed, and regrinding is also possible.

  • drill
  • byte
  • End Mills

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