ユニオン精密 List of Products and Services

"RaviLock" is a waterproof screw that has passed the IPX8 test. In our in-house tests, it prevents water ingress equivalent to a depth of 10 meters. The seat features a multi-groove structure that creates a maze-like design, dispersing external pressure. As a result, it demonstrates waterproof performance without the use of O-rings. Additionally, since the waterproof support is provided solely by the screw body, cost reduction is possible.

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"RaviLock" is a waterproof screw that has passed the IPX8 test. In our own tests, it prevents water ingress equivalent to a depth of 10 meters. The seat surface is processed with multiple grooves to create a maze-like structure that disperses external pressure. As a result, it demonstrates waterproof performance without the use of O-rings. Additionally, since the waterproof support is provided solely by the screw body, cost reduction is possible.

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"RaviLock" is a waterproof screw that has passed the IPX8 test. In our own testing, it prevents water intrusion equivalent to a depth of 10 meters. The seating surface is processed with multiple grooves to create a maze-like structure that disperses external pressure. As a result, it demonstrates waterproof performance without the use of O-rings. Additionally, since the waterproofing is supported solely by the screw body, cost reduction is possible.

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We would like to introduce our "Insulated SCREW" that we handle. Achieving insulation with iron products. Compared to standard surface treatments, insulated products do not conduct electricity. If you can provide the materials used in your company, we will also consider conducting conductivity tests in a tightened state. Additionally, please feel free to consult us about processing for parts other than screws. 【Examples of the effects of electricity (partial)】 ■ Distortion of sound due to noise ■ Electromagnetic interference (EMI) ■ Malfunctions caused by static electricity ■ Equipment damage due to voltage spikes ■ Battery degradation *For more details, please download the PDF or feel free to contact us.

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We propose weight reduction using titanium screws! Due to its density being about 60% that of steel, we achieve a weight reduction of approximately 40%. Titanium products are widely used in aerospace, medical devices, military supplies, chemical industry, marine equipment, and dental instruments due to their high strength, high corrosion resistance, high-temperature resistance, and good compatibility with the human body. *For product details, please refer to the catalog available for download below under "PDF Download."

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The "stainless steel hex socket bolt" is standardized for use in drones, semiconductor manufacturing equipment, medical devices, small robots, and other equipment, offering rust-resistant hex socket bolts suitable for precision machinery, making it a mass production-friendly forged product. We have also standardized ultra-fine sizes of hex socket bolts made from stainless steel, which is difficult to process. There are very small products such as M1.0, which can be used not only as fastening components but also as accents to give a mechanical appearance to small drones and small robots. *For product details and specifications, please refer to the "PDF Download" below.

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"RaviLock" is a waterproof screw that has passed the IPX8 test. In our in-house testing, it prevents water ingress equivalent to a depth of 10 meters. The seat features a multi-groove structure that creates a maze-like design, dispersing external pressure. As a result, it demonstrates waterproof performance without the need for O-rings. Additionally, since the waterproof support is provided solely by the screw body, cost reduction is possible. 【Features】 ○ Patented ○ Achieves the same function as a gasket with multi-groove processing ○ Provides waterproof effect with double air packing ○ Utilizes the labyrinth effect ○ Two types of applications: air packing effect and labyrinth effect *For more details, please refer to the PDF document or feel free to contact us.

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"UHSCREW" is a vibration-resistant screw designed to be fastened with greater axial force by changing the shape of the screw thread, making it less likely to loosen. The tightening characteristics exhibit excellent fastening strength due to the "elastic strain energy" stored in the screw thread from elastic deformation, resulting in superior vibration resistance. The contact surface between the male and female threads during fastening is positioned farther from the axis compared to standard small screws, which increases the torque arm of rotational friction, thereby enhancing the restraining force against rotational loosening. 【Features】 ■ Resistant to loosening ■ Designed to be fastened with greater axial force by changing the shape of the screw thread ■ Exhibits excellent fastening strength with superior vibration resistance ■ The contact surface between the male and female threads during fastening is positioned farther from the axis compared to standard small screws, resulting in a longer torque arm of rotational friction ■ Higher restraining force against rotational loosening *For more details, please refer to the PDF document or feel free to contact us.

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"UHSCREW" is a vibration-resistant screw designed to be fastened with greater axial force by changing the shape of the thread profile, making it less prone to loosening. The tightening characteristics exhibit excellent fastening strength due to the "elastic strain energy" stored in the threads from elastic deformation, resulting in superior vibration resistance. The contact surface between the male and female threads during fastening is positioned further away from the axis compared to standard small screws, which increases the torque arm of the rotational friction, thereby enhancing the restraining force against rotational loosening. 【Features】 ■ Less prone to loosening ■ Designed to be fastened with greater axial force by changing the shape of the thread profile ■ Exhibits excellent fastening strength with superior vibration resistance ■ The contact surface between the male and female threads during fastening is positioned further away from the axis compared to standard small screws, resulting in a longer torque arm of the rotational friction ■ Higher restraining force against rotational loosening *For more details, please refer to the PDF document or feel free to contact us.

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"Die forging" utilizes plastic deformation by processing wire rods into shapes using molds. By using multiple molds, it is possible to manufacture complex shapes. Cost reductions can also be achieved through VA proposals from machined and pressed products. The quality is stable due to processing by mold transfer, resulting in minimal variation within lots and excellent surface roughness. [Features] ■ Complex shapes can be manufactured by using multiple molds ■ Cost reductions through VA proposals from machined and pressed products ■ Shorter lead times possible as molds are designed and manufactured in-house ■ Reduction of material loss by performing plastic processing without cutting the product ■ Stable quality due to processing by mold transfer, with minimal variation within lots and excellent surface roughness *For more details, please refer to the PDF document or feel free to contact us.

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The general type of locking grip applies microcapsules to the screw section, similar to the anti-loosening treatment, to prevent loosening of the screws after fastening. (Locking type) *We generally do not offer application only. We will provide proposals that include screw processing. Our company maintains a high quality and flexible response system by increasing the processes we perform in-house, such as in-house manufacturing of various machines involved in production. We also respond quickly to customization requests. 【Features】 ■ Microcapsules applied to the screw section ■ Prevents loosening of screws after fastening ■ Locking type ■ Custom colors available ■ Environmentally friendly (water-based) *For more details, please feel free to contact us.

• Processing Contract

"Roll forming" involves clamping a material (such as a rod) between a plate called a roll die, applying pressure while rotating it to induce plastic deformation. Various shapes can be processed, including knurling and E-grooves. Since it is manufactured using our own roll forming machines, it offers high precision and customization options. Because it is a plastic processing method, there is minimal material waste, and since the fiber flow is not sheared, the strength is high. 【Features】 - High precision and customization options due to manufacturing with our own roll forming machines - Fast processing speed and high productivity - Minimal material waste due to no shoulder formation in plastic processing - High strength as the fiber flow is not sheared *For more details, please refer to the PDF document or feel free to contact us.

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We would like to introduce the "UG processing" carried out at Union Precision. In addition to applying silicone resin to the threaded parts to prevent loosening after fastening, several colors are available to choose from. Our company maintains a high level of quality and a flexible response system by increasing the processes we carry out in-house, including the internal production of various machines involved in manufacturing. We also respond quickly to customization requests. 【Features】 ■ Silicone resin applied to threaded parts ■ Prevents loosening of screws after fastening ■ Resistance type ■ Several colors available to choose from *For more details, please refer to the PDF document or feel free to contact us.

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We would like to introduce our special surface treatment, "Head Coating." You can specify from over 700 colors, and we can apply paint to the heads of screws. We meet user expectations from small lots to mass production (over 1 million pieces per month). Our company maintains a high quality and flexible response system by increasing the processes we handle in-house, including the in-house production of various machines involved in manufacturing. We also respond quickly to customization requests. 【Features】 ■ Specification from over 700 colors ■ Coating on screw heads ■ Support from small lots to mass production (over 1 million pieces per month) *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract

We would like to introduce our special recess product, "MICRO STIX." "Micro Stix," a variation of LHSTIX, features a recess with three grooves, making it suitable for thin-headed products. Our company maintains a high level of quality and a flexible response system by increasing the processes we handle in-house, including the internalization of various machines involved in production. We also respond quickly to customization requests. 【Features】 ■ A variation of LHSTIX ■ Micro Stix ・ Recess with three grooves ・ Suitable for thin-headed products *For more details, please refer to the PDF document or feel free to contact us.

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The "Torx" products we handle are specially designed recess products that do not cam out and have high torque transmission capability. We maintain a high level of quality and a flexible response system by increasing the processes we handle in-house, such as internalizing various machines involved in production. We also respond quickly to customization requests. Please feel free to contact us when you need our services. 【Features】 ■ Does not cam out ■ High torque transmission capability * For more details, please refer to the PDF document or feel free to contact us.

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We would like to introduce the "UG processing" conducted at Union Precision. Also known as the nylon patch type, it involves applying a special nylon to the threaded part to suppress loosening after fastening. It can be used repeatedly. At our company, we are increasing the processes carried out in-house by internalizing various machines involved in production, thereby maintaining a high level of quality and a flexible response system. We also respond quickly to customization requests. 【Features】 ■ Nylon patch type ■ Special nylon applied to the threaded part ■ Suppresses loosening after fastening ■ Can be used repeatedly *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract

"LHSTIX" is a special recess product that cannot be used with plus or minus drivers. Our company maintains a high level of quality and a flexible response system by increasing the processes we handle in-house, including the in-house production of various machines involved in manufacturing. We also respond quickly to customization requests. Please feel free to contact us when you need our services. 【Features】 ■ Cannot be used with plus or minus drivers *For more details, please refer to the PDF materials or feel free to contact us.

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We would like to introduce our special recess product, "Qua STIX." It features a 4-slot recess that prevents cam-out and possesses excellent torque transmission capability. Our company maintains a high level of quality and a flexible response system by increasing the number of processes carried out in-house, including the internalization of various machines involved in production. We also respond quickly to customization requests. [Features] ■ Prevents cam-out ■ Excellent torque transmission capability ■ 4-slot recess *For more details, please refer to the PDF document or feel free to contact us.

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