興津螺旋 List of Products and Services

Recently, titanium bolts have become a topic of discussion among cyclists. While our company is not the only one entering the market for bicycle titanium bolts, it seems that inexpensive titanium bolts are also circulating. Some of these products appear to be inadequate, and we have heard stories of bolts breaking. For us, who have been committed to supplying titanium bolts with a focus on quality and performance, it is truly unfortunate that the entire category of titanium bolts is being perceived as dangerous. For those who are already using titanium bolts and those who are considering trying them, we believe this is a concern, so we would like to share our thoughts. *You can view the detailed content of the blog through the related link. For more information, please download the PDF or feel free to contact us.*

• bolt
• Other metal materials

This product is a hole-punched bolt that achieves the compactness of fastening devices and equipment, allowing for application in narrow spaces and improved workability. It is compatible with materials such as stainless steel, alloy steel (SCM435), titanium alloy, and nickel alloy. Typically, it features a hex socket, but it can also be made with a hexalobular socket or an original recess (screw hole). Additionally, we can manufacture button bolts, countersunk bolts, and bolts with washers. Please feel free to contact us when you need assistance. 【Features】 ■ Achieves compactness of fastening devices and equipment ■ Allows for application in narrow spaces and improved workability ■ Can be made with hexalobular sockets or original recesses (screw holes) ■ Capable of manufacturing button bolts, countersunk bolts, and bolts with washers ■ Available sizes: M2 to M8 * For more details, please refer to the PDF document or feel free to contact us.

• bolt

The "Inconel 600 Bolt" from Okitsu Spiral uses a nickel-based alloy and is a bolt with excellent heat resistance, oxidation resistance, and corrosion resistance. By processing the very difficult-to-machine "Inconel 600" through forging instead of cutting, we pursued production speed. Additionally, by using cold working, we achieved an increase in strength. It has oxidation resistance up to 1180°C and possesses excellent corrosion resistance against various corrosive substances, making it useful for industrial turbines, vacuum machinery, and aircraft. 【Features】 ■ Excellent heat resistance ■ Oxidation resistance up to 1180°C ■ High corrosion resistance achieved by containing chromium ■ Usable sizes: M3 to M8 *For more details, please refer to the catalog or feel free to contact us.

• bolt
• nut

The "Titanium Alloy Bolts for Sports Cycles" by Okitsu Spiral are ultra-lightweight titanium bolts that are perfect for sports cycles. With robust rigidity, the touch of the brake lever becomes firmer, allowing for powerful braking without unnecessary effort. Not only do they contribute to reducing the weight of the bike, but the unique beautiful coloration of titanium and the diverse color variations enhance the sense of ownership. 【Features】 ■ For sports cycles ■ Effective for weight reduction and dressing up ■ Achieves powerful braking with improved rigidity ■ Diverse color variations *For more details, please refer to the catalog or feel free to contact us.

• bolt
• nut

"19Cr" is a ferritic stainless steel screw that exhibits corrosion resistance and strength comparable to SUS304 series at a low cost. It has excellent gloss and feels no different from previous stainless steels. The use of magnetic tools improves the ease of screwing in. 【Features】 ■ High corrosion resistance & high strength ■ Excellent gloss that feels no different from stainless steel ■ Magnetic tools can be used ■ Improved ease of screwing in *For more details, please refer to the catalog. Feel free to contact us with any inquiries.

• bolt

The "Super Club Boy" is a stainless steel screw that has become stronger and more resistant to rust while maintaining its beautiful shine. With improved conditions for pre-treatment, heat treatment, and surface treatment, it achieves high corrosion resistance through a triple treatment process. The use of magnetic tools enhances the ease of screwing in. 【Features】 ■ High corrosion resistance & high strength ■ Excellent shine and beautiful finish ■ Compatible with magnetic tools for improved screwing efficiency *For more details, please refer to the catalog. Feel free to contact us with any inquiries.

• bolt

The "Super Flat Head" is a bolt that can also be used as a substitute for countersunk screws with its low-profile head. Since no processing of countersunk screws is required, cost reduction is possible. The space-saving head expands design flexibility. It accommodates various variations such as cross holes and tamper-resistant recesses. It can also be applied to competition-grade titanium alloy bolts. 【Features】 ■ Expands design flexibility with a space-saving head ■ Excellent aesthetics ■ Can be used as a substitute for countersunk screws ■ Cost reduction without the need for processing *For more details, please refer to the catalog. Feel free to contact us with any inquiries.

• bolt

The "LX Bolt" is a bolt that achieves both high fastening efficiency and maintainability. It realizes excellent torque transmission efficiency with minimal drive angle. It also excels in the durability of fastening tools. It can be applied to various types of bolts, including cap bolts, small screws, and flat head bolts. 【Features】 ■ Excellent torque transmission efficiency ■ Minimal cam-out ■ Superior durability of fastening tools ■ Compatible with three types of tools *For more details, please refer to the catalog. Feel free to contact us with any inquiries.

• bolt

The "Titanium Alloy Steering Bolt" from Okitsu Spiral is an ultra-lightweight titanium bolt that can be used for mounting the steering wheel of racing cars. With high fastening rigidity, it improves steering response. You can better feel the tire grip, enhancing the steering feel, which is effective for hazard avoidance. The unique beautiful coloration of titanium and its diverse color variations enhance the sense of ownership. 【Features】 ■ Effective for weight reduction and dressing up ■ Encourages proper steering operation ■ The hexagonal recess holes are beautiful and achieve high fastening performance ■ Diverse color variations *For more details, please refer to the catalog or feel free to contact us.

• bolt
• nut

The "Titanium Alloy Bolts for Racing Machines" from Okitsu Spiral are titanium alloy bolts that contribute to the lightweight design of racing cars and motorcycles. The hexalobular type features a relatively accessible recess and high torque transmission capability. On the other hand, the LH-SS can only be used with specialized tools, making it effective for theft prevention. With a variety of color options available, you can enhance your machine's identity with your own unique coordination. 【Features】 ■ Effective for weight reduction and dressing up ■ Can be used as a highlight for license plates ■ Available in two types: hexalobular and LH-SS ■ A wide range of color variations *For more details, please refer to the catalog or feel free to contact us.

• bolt
• nut

The "Competition Titanium Alloy Bolt" from Okitsu Spiral is an ultra-lightweight titanium bolt that contributes to weight reduction in racing cars and competitive bicycles. By adopting high-strength β titanium alloy, it enables high fastening rigidity, and the LH-SS recess achieves high torque transmission and weight reduction, surpassing that of hex bolts. You can choose from a series tailored to your needs, including "Titanium Alloy Bolts for Racing Machines," "Titanium Alloy Steering Bolts," and "Titanium Alloy Bolts for Sports Cycles." 【Features】 ■ Achieves high torque transmission and weight reduction ■ Reliable fastening supported by nuts and washers ■ Custom-made options available ■ Three series that can be felt through differences in response ■ A wide variety of color variations *For more details, please refer to the catalog or feel free to contact us.

• bolt
• nut

The "Hexagon Hole Bolt" belongs to a high strength category among stainless steel and is a bolt with excellent corrosion resistance. This product enables the compactization of fastening devices and equipment, making it suitable for narrow spaces and improving workability. Furthermore, it is environmentally friendly as it does not require plating. In addition to standalone cap bolts, we also manufacture button bolts, flat bolts, and washers, so please feel free to contact us. 【Features】 ■ High strength ■ Excellent corrosion resistance ■ Improved workability ■ Environmentally friendly *For more details, please refer to the catalog or feel free to contact us.

• Other Machine Parts

We have established a system for immediate delivery of JIS standard products according to customer needs. Additionally, we can accommodate special products with short lead times and small lot sizes.

• Steel
• Interior parts
• Other Auto Parts

Hexagon socket bolts made by a stainless steel specialty manufacturer 【Features】 ○ Achieves compact fastening devices and equipment, enabling application in narrow spaces and improving workability ○ Available sizes: M3 to M8 ○ High tightening force prevents loosening ● Please try the hexagon socket bolts made by a stainless steel specialty manufacturer. ● In addition to standalone cap bolts, we also manufacture button bolts, flat bolts, and bolts with washers. For details, please contact us.

• bolt

It is a rust-resistant stainless steel screw. We also manufacture self-drilling screws that can be fastened without pre-drilling holes in the steel plate.

• nut

We have achieved low prices for titanium alloy screws, which were previously expensive and difficult to obtain, by producing them through continuous header processing. In addition to high strength, lightweight, and excellent corrosion resistance, we have enhanced their beauty with anodizing treatment. We can manufacture sizes from M2 to M8.

• nut
• Non-ferrous metals