Kochiya Manufacturing Co., Ltd.
e-kochiya.co.jp
Kochiya Manufacturing Co., Ltd. is a precision metal machining company based in Arakawa-ku, Tokyo, specializing in the production of high-precision bolts and custom industrial components. Their technical expertise includes high-precision CNC turning, thread rolling, and the manufacturing of special alloy bolts such as SNB7 and SNB16. The company supports a wide range of production needs, from high-mix low-volume orders to rapid-turnaround requirements for standard and non-standard parts. They maintain rigorous quality standards through the use of precision gauges and can provide comprehensive documentation, including material test reports and heat treatment certificates. Their capabilities extend to various threading types, including metric, inch, unified, left-hand, square, and taper threads.
Kokusan Gokin Co., Ltd.
www.kokusangokin.jp
Kokusan Gokin is an industrial manufacturer specializing in the production and precision processing of hard alloys under the Hardloy brand. Established in 1939, the company provides comprehensive in-house services ranging from raw material blending and sintering to specialized treatments like HIP and final precision machining. They primarily serve the automotive, mining, and electronics industries by manufacturing high-performance molds, cutting tools, nozzles, and various industrial components. By utilizing advanced technologies such as wire electrical discharge machining and optical profile grinding, the company delivers custom-engineered solutions tailored to specific client material and wear-resistance requirements. Their integrated production system supports both small-lot prototyping and larger-scale industrial needs.
Kasuya Kiko Co., Ltd.
www.kasuyakiko.co.jp
Kasuya Kiko Co., Ltd. is a precision manufacturing specialist based in Hidaka City, Saitama, Japan. The company provides comprehensive contract manufacturing services, ranging from small-lot prototypes to large-scale industrial production. Their core competencies include high-precision CNC machining, milling, and specialized surface treatments such as plating and anodizing. Serving a diverse client base, they accept both client-supplied materials and provide procurement services for various metals and engineering plastics. With modern facilities and advanced measurement capabilities, the company emphasizes quality control and efficient production management.
Hachiya Seisakusho Co., Ltd.
hachiya88.co.jp
Hachiya Seisakusho Co., Ltd. is a precision machining company specializing in small, complex parts for a wide range of industries including automotive, hydraulic, pneumatic, and vacuum equipment. The company provides high-precision turning and milling services using advanced CNC equipment, including multi-axis machines capable of handling diverse materials such as steel, stainless steel, and various resins. They are recognized for their expertise in manufacturing critical safety components and small-lot production, utilizing automated measuring tools to maintain strict quality standards. Founded in 1958, the company leverages a combination of veteran craftsmanship and modern technology to support rapid prototyping and high-precision production needs. Their facility is equipped to handle complex geometric features, including angled drilling and precision threading, ensuring consistent reliability for industrial and mechanical applications.
Sembokuya Corporation
senbokuya.co.jp
Sembokuya Corporation is a precision manufacturing company specializing in the production of high-difficulty metal components, including prototypes and small-to-medium lot production. The company leverages a hybrid production system that combines 5-axis CNC machining, wire-cut and sinker EDM, and metal 3D printing to create complex, high-precision shapes. They serve a wide range of industries, including aerospace, automotive, and optical equipment, with a specific focus on satellite and aircraft components. Sembokuya provides comprehensive support from design and manufacturing to part measurement and quality inspection. Their approach integrates advanced 3D CAD/CAM programming with unique material expertise, such as the use of ADC12 aluminum for additive manufacturing, to ensure optimal development speed and cost efficiency.
Takaya Seimitsu Kogyo Co., Ltd.
www.takaya-sk.co.jp
Takaya Seimitsu Kogyo Co., Ltd. is a specialized manufacturing facility based in Yokohama, Japan, focusing on high-precision machining for both metal and plastic components. The company excels in low-volume, high-mix production, catering to individual prototype needs as well as small-lot manufacturing requests. They serve a diverse clientele including universities, research institutions, automotive, medical, and robotics sectors. Utilizing a network of local partners, they provide a comprehensive range of machining and finishing services to ensure client specifications are met with precision. Their capabilities include general and CNC machining, supported by a skilled team dedicated to meticulous craftsmanship.
