東海部品工業 List of Products and Services

We are pleased to present materials regarding the secrets of Tokai Parts Industry Co., Ltd.'s success, along with a Q&A section and an introduction to the "raw materials" and "manufacturing equipment" necessary for screw manufacturing. We provide detailed explanations about the types of steel materials for screws, carbon steel wire for cold heading, and equipment such as cold heading machines. Our company has a proven track record of manufacturing and supplying over 3,000 types of products, ranging from ultra-small micro screws and parts for electronic and model products to bolts and components for transportation machinery, including middle flange shapes, double screws, and terminals for EVs. If you have any challenges or requests, please feel free to contact us. 【Excerpt from the Q&A】 ■Q1: Why are you skilled in manufacturing parts related to EVs and autonomous driving? ■Q2: Are you also skilled in manufacturing parts unrelated to EVs and autonomous driving? ■Q3: Do you have any proud experiences in automotive parts manufacturing? ■Q4: Why did a manufacturer of automotive parts venture into the medical device field? *For more details, please download the PDF or feel free to contact us.

• Screw
• Other machine elements
• Other Auto Parts

When procuring items like "screws" or "metal processed parts," it can be too mundane and detailed for the person in charge to invest time and effort, leading to limited consultation options. Additionally, regarding aspects such as [price], [delivery time], [quality], [production lot], and [shape], it is often the case that compromises are made, even if the result is not truly what is desired. In such cases, please do not hesitate to consult Tokai Parts Industry! Our greatest strength as a manufacturer is our ability to "create." Instead of searching for existing parts, we can "build from scratch," allowing us to make detailed proposals regarding materials and shapes from the development stage. We offer flexible responses to specification changes for fluid products, small lot production, delivery times, quality assurance, and a one-stop service that handles everything from the entrance to the exit, strongly supporting our clients. For over 70 years since our founding, we have continued to be chosen by many clients. Why is our company able to do such things? This time, we have summarized the secrets in a Q&A format! *We will also be exhibiting at the Mechanical Elements Technology Exhibition from June 19 (Wed) to 21 (Fri) [Booth No. E43-44]! *For more details, please download the PDF and check the Q&A.

• nut

As a manufacturer of screw components with extensive experience, we are currently offering materials that explain the "materials" and "manufacturing equipment" related to screws. In addition to the types and characteristics of steel commonly used for screws, we also introduce the processing processes of the cold heading machines we own and the types of rolling mills. [Contents] <Materials> ■ Carbon Steel (Cold Heading Carbon Steel Wire, Cold Heading Boron Steel Wire) ■ Alloy Steel (Chrome Steel Wire, Chrome Molybdenum Steel Wire) ■ Stainless Steel Wire for Cold Heading (SUS304, SUS410, SUS430, SUSXM7) <Equipment> ■ Cold Heading Machines (Basic Cold Heading Process) ■ Rolling Mills (Flat Die Type, Round Die Type, Planetary Type) *You can view detailed information immediately by clicking on "PDF Download."

• bolt

As a manufacturer of screw components with extensive experience, we are currently offering materials that clearly explain the "screw manufacturing process." We introduce basic knowledge about the fundamental process of forging, the characteristics of various surface treatment methods, as well as typical defects in heat treatment and their main causes. [Contents] ■ Forging (material correction, material cutting, etc.) ■ Trimming ■ Cutting ■ Rolling (flat die / round die) ■ Heat treatment ■ Surface treatment (electroplating, chemical treatment, anodizing, etc.) *You can view detailed content immediately by clicking on "PDF Download."

• bolt

Tokai Parts Industry Co., Ltd. has consistently upheld the "obvious things" of "high quality, low cost, and speedy production" and "reliable delivery of the specified quantity within the designated time" through "advanced technology" and "production systems" cultivated over many years of experience since its founding. "Connecting people through products, and companies through companies" This is the identity of Tokai Parts Industry Co., Ltd. 【Business Activities】 ○ Design and manufacturing of hex bolts, special bolts, precision screws, and other cold precision forged products ○ Design and manufacturing of micro screws and micro parts products ○ Research and development, design, and manufacturing of surgical components and implant products For more details, please contact us or download the catalog.

• Axle parts
• bolt
• Processing Contract

Tokai Parts Industry has established a thorough quality assurance and traceability management system, enabling the production of high-quality automotive parts and products. At our headquarters factory in Futaba-cho, Numazu City, we have introduced numerous state-of-the-art facilities and are advancing research and development to adapt to the remarkable evolution in the automotive field with new technologies. In terms of quality, we have built a comprehensive quality assurance system through traceability management via our production system, along with the use of fluorescent X-ray analysis equipment, image inspection devices, and automatic sorting machines. We aim for zero defective products. ■ Production Achievements We produce automotive bolts and cold precision forged products used in drive shafts, brakes, hybrids, electrical components, seats, and more for automobiles and motorcycles. We consistently handle everything from material selection for approximately 2,000 types of products to manufacturing, processing, inspection, and packaging. *For more details about our company, please download and view our company brochure.

• others

Tokai Parts Industry has a wealth of experience in the production of automotive parts and products, and we also engage in the production of numerous powertrain-related components. Our products are used in shafts such as automotive timing pulleys and idler pulleys, and through thorough inspection, analysis, and traceability management, we are able to produce high-quality products. We welcome any detailed requests regarding size, shape, etc., so please feel free to consult with us. ■ Points that make our 'automotive parts and product production' stand out ■ At our headquarters factory in Futaba-cho, Numazu City, we have introduced numerous state-of-the-art facilities and are advancing research and development that responds to the remarkable evolution in the automotive field with new technologies. In terms of quality, we have established a rigorous quality assurance system through traceability management via our production system, along with fluorescent X-ray analysis equipment, image inspection devices, and automatic sorting machines. We aim for zero defective outflow. We carry out a consistent process from material selection for approximately 2,000 types of products to manufacturing, processing, inspection, and packaging. *For more details about our company, please download and view our company brochure.

• others

Tokai Parts Industry has a wealth of experience in the production of automotive parts and products, and we also engage in the production of numerous brake-related components. We have extensive experience in the production of parts used in disc brake systems, which are essential for safely and securely decelerating and stopping vehicles. Through cold forging, we provide high-quality and stable products. ■ Points that make our "automotive parts and product production" the preferred choice ■ Our headquarters factory in Futaba-cho, Numazu City, is equipped with numerous state-of-the-art facilities, and we are advancing research and development that responds to the significant evolution in the automotive field with new technologies. In terms of quality, we have established a thorough quality assurance system with traceability management through our production system, along with fluorescent X-ray analysis equipment, image inspection devices, and automatic sorting machines. We aim for zero defective outflows. We consistently handle everything from material selection for approximately 2,000 types of products to manufacturing, processing, inspection, and packaging. *For more details about our company, please download and view our company brochure.

• others

Tokai Parts Industry has a wealth of experience in the production of automotive parts and products, and we also handle a wide range of "electrical components." We produce electrical components used in wire harnesses that transmit electricity to various automotive devices. We respond to requests for a variety of small quantities and strive to achieve weight reduction. ■ Points that make our "automotive parts and product production" stand out ■ At our headquarters factory in Futaba-cho, Numazu City, we have introduced numerous state-of-the-art facilities and are advancing research and development in line with the remarkable evolution in the automotive field, adapting to new technologies. In terms of quality, we have established a thorough quality assurance system with traceability management through our production system, along with fluorescent X-ray analysis equipment, image inspection devices, and automatic sorting machines. We aim for "zero defective outflow." We carry out everything from material selection for approximately 2,000 types of products to manufacturing, processing, inspection, and packaging in a consistent manner. *For more details about our company, please download and view our company brochure.

• others

Tokai Parts Industry has a wealth of experience in the production of automotive parts and products, and we also handle a large number of "EV and HEV-related parts." We produce components for high-voltage terminals and charging devices used in electric vehicles and hybrid vehicles. Our advanced precision machining technology allows us to offer a diverse range of products. ■ Points that make our "automotive parts and product production" stand out ■ At our headquarters factory in Futaba-cho, Numazu City, we have introduced numerous state-of-the-art facilities and are advancing research and development in line with the remarkable evolution of the automotive sector, adapting to new technologies. In terms of quality, we have established a thorough quality assurance system with traceability management through our production system, along with fluorescent X-ray analysis equipment, image inspection devices, and automatic sorting machines. We aim for "zero defective outflow." We consistently handle everything from material selection for approximately 2,000 types of products to manufacturing, processing, inspection, and packaging. *For more details about our company, please download and view our company brochure.*

• others

Tōkai Parts Industry has a wealth of experience in the production of automotive parts and products, and we also produce a large number of automotive seat-related components. We manufacture related parts used in automotive seat slides and reclining mechanisms, and we can accommodate detailed requests such as welding bolts and collars! ■ Points that make our "automotive parts and product production" stand out ■ Our headquarters factory in Futaba-cho, Numazu City, is equipped with numerous state-of-the-art facilities, and we are advancing research and development in line with the remarkable evolution in the automotive field by adapting to new technologies. In terms of quality, we have established a thorough quality assurance system through traceability management via our production system, along with fluorescent X-ray analysis equipment, image inspection devices, and automatic sorting machines. We aim for zero defective products. We carry out a consistent process from material selection for approximately 2,000 types of products to manufacturing, processing, inspection, and packaging. *For more details about our company, please download and view our company brochure.

• others

Tōkai Parts Industry has a wealth of experience in the production of automotive parts and products, and we also engage in the production of specialized shape components for automobiles. We produce a variety of products, including eccentric drawing, medium flange shapes, and washer integration, so please feel free to contact us. ■ Points that make our 'automotive parts and product production' stand out ■ Our headquarters factory in Futaba-cho, Numazu City, is equipped with numerous state-of-the-art facilities, and we are advancing research and development to adapt to the remarkable evolution in the automotive field with new technologies. In terms of quality, we have established a thorough quality assurance system with traceability management through our production system, along with fluorescent X-ray analysis devices, image inspection devices, and automatic sorting machines. We aim for zero defective outflow. We consistently handle everything from material selection for approximately 2,000 types of products to manufacturing, processing, inspection, and packaging. *For more details about our company, please download and view our company brochure.*

• others

Tokai Parts Industry was founded in 1947 as a manufacturer and seller of screw components, and for about 60 years, it has specialized in the production of automotive parts for transportation machinery such as automobiles and motorcycles, focusing on "bolt manufacturing." Currently, we produce over 2,000 types of automotive parts, ranging from "hex bolts," "special bolts," and "precision bolts" to "cold precision forged products." 【Automotive Parts Production Achievements】 ■ Drive shafts ■ Brake-related components ■ Hybrid-related components ■ Electrical components ■ Seat-related components *For more details, please refer to the PDF document or feel free to contact us.

• Axle parts
• bolt
• Contract manufacturing

Tōkai Parts Industry boasts a high market share in various fields and specializes in the production of "ultra-small micro screws and parts." The Amagi Factory, located in the nature-rich city of Izu, Funabara, spans approximately 30,000 square meters and was established in 1999 for the full-scale manufacturing of micro screws and parts. The materials for "ultra-small micro screws" with diameters ranging from 0.8 mm to 2 mm are special and hard compared to regular screw materials, making them very difficult to process. After several years of trial and error, our company successfully established advanced processing technology. In addition, to achieve "zero defective outflow," we have equipped ourselves with self-developed automatic image sorting machines and built a thorough quality assurance system. ■ Production achievements Production of approximately 1,000 types of screws and parts used in hard disks, smartphones, models, electrical components, inspection equipment, and more. *For more details about our company, please download our company brochure.

• bolt

Tokai Parts Industry has a wealth of experience in the production of ultra-small micro screws and parts, and we also produce a large number of components for HDDs. To ensure the production of high-quality, high-precision HDD components, we accommodate various surface treatments, including electropolishing. Additionally, we conduct thorough quality control through 100% inspection using image sorting machines. We are also capable of mass production using non-magnetic high-strength materials, so please feel free to contact us. ■ Points that make our "production of ultra-small micro screws and parts" the choice ■ Our Amagi factory, located in the lush natural surroundings of Funabara, Izu City, spans approximately 30,000 square meters and was established in 1999 for the full-scale manufacturing of micro screws and parts. The materials for our "ultra-small micro screws" with diameters ranging from 0.8 mm to 2 mm are special and hard compared to regular screw materials, making them very difficult to process. After several years of trial and error, we have succeeded in establishing advanced processing technology. Furthermore, in pursuit of achieving "zero defects," we have equipped ourselves with self-developed automatic image sorting machines and built a thorough quality assurance system. *For more details about our company, please download our company brochure.

• others

Tokai Parts Industry has a wealth of experience in the production of extremely small micro screws and parts, and also produces a large number of model-related components. We have over 5,000 items in stock and can accommodate everything from custom shapes to standard products! We also offer various colors of plating and painting. ■Reasons why our 'production of extremely small micro screws and parts' is chosen■ Our Amagi factory, located in the lush natural environment of Funabara, Izu City, spans approximately 30,000 square meters and was established in 1999 for the full-scale production of micro screws and parts. The materials for our 'extremely small micro screws' with diameters ranging from 0.8 mm to 2 mm are special and hard compared to regular screw materials, making processing very difficult. After several years of trial and error, we have successfully established advanced processing technology. Additionally, in pursuit of achieving zero defective outflow, we have equipped ourselves with self-developed automatic image sorting machines and built a thorough quality assurance system. *For more details about our company, please download and view our company brochure.*

• others

Tokai Parts Industry has a wealth of experience in the production of extremely small micro screws and parts, and also engages in the production of components for glasses and mobile phones. We can handle difficult-to-machine materials such as titanium, stainless steel, and Inconel, which have high corrosion resistance and high strength! We also provide anti-loosening treatment, so please feel free to consult us. ■ Points that make our "production of extremely small micro screws and parts" a choice ■ Our Amagi factory, located in the lush natural surroundings of Funabara, Izu City, spans approximately 30,000 square meters and was established in 1999 for the full-scale production of micro screws and parts. The materials for our "extremely small micro screws," with diameters ranging from 0.8 mm to 2 mm, are special and hard compared to regular screw materials, making them very difficult to process. After several years of trial and error, we have succeeded in establishing advanced processing technology. Additionally, in pursuit of achieving "zero defective outflow," we have equipped ourselves with self-developed automatic image sorting machines and have built a thorough quality assurance system. *For more details about our company, please download and view our company brochure.

• others

Tokai Parts Industry has a wealth of experience in the production of ultra-small micro screws and parts, and we also handle a variety of "special-shaped components." We accommodate various shapes such as stepped shapes, medium flange shapes, drawn products, hollow rivets, grooved rivets, various knurling, irregular materials, studs, electrical contacts, etc., in materials like iron, copper, brass, aluminum, and silver, from ultra-fine sizes! ■ Points that make our "production of ultra-small micro screws and parts" stand out ■ The materials for "ultra-small micro screws" with diameters ranging from 0.8 mm to 2 mm are special and hard compared to regular screw materials, making processing extremely difficult. After several years of trial and error, we have successfully established advanced processing technology. Additionally, in pursuit of achieving "zero defective outflow," we have equipped ourselves with self-developed automatic image sorting machines and built a thorough quality assurance system. *For more details about our company, please download and view our company brochure.

• bolt

In 1999, Tokai Parts Industry established a micro screw division at the Amagi Factory in Kamifunahara, Izu City, and began full-scale production of micro screws. Currently, we produce over 1,000 types of micro screws and micro parts, ranging from those for "hard disk drives," "models," and "mobile phones" to "inspection equipment." 【Production Achievements】 ■ Micro Screw Products - Micro screws for HDDs - Micro screws for mobile phones - Micro screws for models, etc. ■ Micro Parts Products - Electrical components - Functional parts, etc. *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Other electronic parts

The Fuji Meditech Center, located within the Pharma Valley Center premises, is a factory that designs, develops, manufactures, finishes, assembles, and sterilizes various implants and surgical instruments. Since its full-scale operation began in September 2017, the center has been equipped with a 95m² clean room, enabling hard processing, while also enhancing soft aspects such as design and regulatory compliance. It has established a comprehensive production system from cutting titanium alloys and stainless steel to processing, finishing, sterilization, inspection, and shipping, along with a thorough quality and hygiene management system to respond swiftly and accurately to increasing demands. Additionally, the center collaborates with medical institutions and companies for product development, manufacturing, and OEM contracting. **Main Equipment:** - CNC automatic lathes - 3D measuring instruments - Intelligent multi-tasking machines - Vertical machining centers - High-precision CNC tool grinders, etc. *For more details, please refer to the PDF document or feel free to contact us.*

• Processing Contract
• Contract manufacturing