NITTOSEIKO CO., LTD. Product Lineup

"Long Lock(R)" is a screw with a cutting groove on the thread, into which nylon is pressed. When screwed in, the nylon deforms, exhibiting a high friction torque due to the wedging effect, providing a significant locking effect against loosening. 【Features】 ■ Applicable to a wide range of external threads (M1.0 to M10.0) ■ Achieves reliable fastening with a high locking effect against loosening ■ The locking effect is maintained even upon reuse *For more details, please refer to the PDF document or feel free to contact us.

The "RS Tight (R)" features a screw tip shaped like a rice ball (triangular), while the neck and body are nearly circular. The rice ball shape reduces the screwing torque, and the circular shape allows for fastening with high tightening torque. 【Features】 ■ High maximum tightening torque ■ Excellent resistance to loosening ■ Easy to screw in with low torque, making work easier ■ High free rotation torque ratio, resulting in good performance for automatic machines ■ Can be reused for maintenance tasks and more *For more details, please download the PDF document or feel free to contact us.

"TPR(R)" is a special drive screw developed for fastening important areas where consumers should not loosen screws, such as for product function protection and safety measures, which cannot be loosened with commercially available bits. 【Product Features】 ■ It cannot be loosened without a dedicated bit, providing a tamper-proof effect. ■ It cannot be loosened without a dedicated bit, clarifying the scope of responsibility under the Product Liability Law. *For more details, please refer to the PDF document or feel free to contact us.

"Fit Tight®" is a locking screw that interferes with the external diameter and valley diameter of the male thread at two points. By providing multiple contact points, it exhibits a highly reliable anti-loosening effect. 【Features】 ■ Achieves a more reliable anti-loosening effect through multiple contact points ■ Focuses on interference with the inner diameter of the female thread while considering torque, making it user-friendly ■ Reduces the generated torque while interfering with contact on the valley diameter side ■ Can be used not only for anti-loosening but also as a positioning adjustment screw ■ Allows tightening with lower torque than Power Lock® *For more details, please refer to the PDF document or feel free to contact us.

"Ramitatite®" increases the maximum tightening torque, resolving the issue of screw spinning (screw stripping) in thin plate fastening. It is a self-tapping screw designed for thin metal sheets, pursuing work efficiency and safety. 【Features】 ■ High holding power ■ Prevents danger to the operator at the screw tip ■ Achieves high maximum tightening torque even with thin plate fastening ■ Allows screwing even with misalignment between thin plates *For more details, please download the PDF document or feel free to contact us.

The "Torx® hole screw" has excellent fastening workability and torque transmission efficiency, and it is a special drive screw that eliminates wrench slip problems. 【Features】 ■ Excellent fastening workability even with shallow fits ■ Outstanding torque transmission efficiency ■ Eliminates wrench slip problems ■ Round tip processing by forging *For more details, please refer to the PDF materials or feel free to contact us.

"MagTite®" is a self-tapping screw for magnesium alloys. Self-tapping into magnesium alloys was considered difficult due to the generation of chips during the thread forming process, but this screw has made self-tapping possible by suppressing chip generation through its special tip thread shape and wide thread pitch. 【Features】 ■ Low and stable screwing torque, with high backing torque ■ Reduces seizure and adhesion phenomena ■ Reusable *For more details, please download the PDF document or feel free to contact us.

"Resin rivets" are hollow rivets made of resin using POM (polyacetal), PBT (polybutylene terephthalate), PP (polypropylene), and conductive PP (polypropylene + carbon). When used in resin products, they do not require separate disposal. They can be set at room temperature, allowing the use of existing rivet setters. 【Features】 ■ Lightweight (weighs less than 20% of metal rivets) ■ Washers tailored to the rivets are also available ■ Wide range of colors (can choose from a selection of 30 colors) ■ Compatible with existing rivet setters ■ Beautiful clinch with no deformation *For more details, please refer to the PDF document or feel free to contact us.

"MagTite® CP" is a self-tapping screw for magnesium alloys. Self-tapping into magnesium alloys was considered difficult due to the generation of chips during the formation of internal threads. However, by reducing the amount of formed powder and using an adsorptive liquid contained in the capsule to capture the formed powder, this screw prevents scattering and dropping. 【Features】 - Low and stable screwing torque, with high backing torque - Reduces seizing and adhesion phenomena - Reusable *For more details, please download the PDF document or feel free to contact us.

"Fit Lock®" is a screw that features a V-shaped groove on the threaded part, which interferes with the flank surface of the female thread when tightened, generating frictional force and exhibiting a locking effect through a mechanical anti-loosening mechanism. 【Features】 ■ Ideal for environmental considerations with a mechanical anti-loosening mechanism ■ Provides anti-loosening effect and can be reused ■ Can accommodate micro sizes *For more details, please refer to the PDF materials or feel free to contact us.

The "Torx Plus® 5-blade" is a screw developed as a new drive component to prevent theft and ensure safety, possessing tamper-resistant effects to prevent unauthorized use. At the same time, by adopting the Torx Plus shape, it is also suitable for high-strength fastening. 【Features】 ■ Improved Torx design ■ Capable of high-strength transmission ■ Does not cam out ■ Enhanced durability of the bit ■ Cannot be used without a dedicated bit *For more details, please refer to the PDF materials or feel free to contact us.

"Zero Cross (R)" eliminates the cam-out phenomenon by making the drive surface vertical, resulting in zero screw-in issues. Additionally, by increasing the area of the bit drive surface where torque acts, the drive area is expanded, achieving stable fastening and high durability. This is a special drive screw that prevents cam-out and drive hole deformation. 【Features】 - By making the drive surface vertical, it eliminates the cam-out (bit lift) phenomenon, resulting in zero screw-in issues. - By increasing the area of the bit drive surface where torque acts, it prevents drive hole deformation. - With a larger drive area, the load on the dedicated bit is reduced, improving the durability of the dedicated bit. - The dedicated bit enables stable fastening operations, improves work efficiency, and resolves screw-in issues. Moreover, after-service with standard cross bits is also possible. *For more details, please refer to the PDF document or feel free to contact us.

The "Inner Fit®" is a press-fit stud for aluminum chassis. With chipless processing through cold forging and rolling, it eliminates material waste and achieves cost reduction. Additionally, it allows for stable mass production supply, and no burrs are generated on the top surface after pressing. 【Features】 ■ Chipless processing through cold forging and rolling eliminates material waste and achieves cost reduction. ■ Stable mass production supply is possible. ■ No burrs are generated on the top surface after pressing. ■ By using the same material as the chassis, it can easily accommodate recycling and is environmentally friendly. ■ Combining with positioning types improves work efficiency and allows for further cost reduction. ■ Self-tapping is possible with "Alumi-Tite," enabling cost reduction by eliminating tapping processes. *For more details, please refer to the PDF materials or feel free to contact us.

The "Z Bit" significantly improves the efficiency of screw tightening operations. 【Product Features】 ■ New design minimizes stress concentration at the bit tip, achieving remarkable longevity of the bit. ■ By increasing the depth of engagement with the cross hole, it prevents bit breakage and chipping, greatly enhancing durability. ■ Due to its high-precision design, the clearance with the cross hole is minimized, improving torque transmission efficiency. ■ Fits securely with the cross hole, making it suitable for recycling tasks such as disassembly and dismantling. ■ Reduces cam-out, thereby alleviating the strain on the hand during tightening. *For more details, please refer to the PDF document or feel free to contact us.

"Neo Color Mate®" is a screw with excellent design featuring various engravings on the head, character designs, spin eye designs, fluorescent colors, hologram types, and glow-in-the-dark types (which absorb light and emit a faint glow in the dark), offering a rich variety of options. It is a product that meets the needs of customers seeking to enhance the aesthetic appeal of screws and rivets. 【Features】 ■ The combination of metallic luster and resin luster creates a sense of luxury. ■ Color variations include general, glossy, glow-in-the-dark, hologram, and more. ■ It has functions as a hazard prediction indicator. *For more details, please download the PDF document or feel free to contact us.

"Micro Former Parts" are special cold-formed components designed to meet the demand for extremely small parts in precision machinery. 【Features】 ■ Significant cost reduction is possible ■ The fiber flow (fiber-like structure) created by cold forming is continuous, making it stronger compared to machined parts ■ The compressed structure from the drawing process is work-hardened and even stronger than in its normal state ■ There is minimal dimensional variation within the lot, allowing for stable mass production ■ The surface of cold-formed parts can achieve an excellent finish *For more details, please refer to the PDF document or feel free to contact us.

"Screws with serrations" are products that utilize the head seat surface to meet the typical loosening prevention requirements of screws. 【Features】 ■ Improved automatic supply efficiency compared to screws with washers ■ Prevents loosening with a ratchet effect that increases resistance at the seat surface ■ Uses the seat surface to prevent loosening ■ Locks the joined materials through biting ■ No washer required ■ The shape of the serration allows for an increase in maximum tightening torque *For more details, please download the PDF document or feel free to contact us.

The "Resin Hollow Rivet for Containers" is a product that allows for combustion and crushing treatment without removing the rivet at the time of disposal. 【Features】 ■ Allows for combustion and crushing treatment without removing the rivet at the time of disposal ■ Uses a special grade of POM material to achieve strong fastening ■ Can be punched and crimped into dump sheets without the need for pre-drilling ■ Lighter than metal rivets, and coloring options are available ■ Compatible with existing rivet setters *For more details, please refer to the PDF document or feel free to contact us.

"RedN(R)" is a special anti-loosening screw designed specifically for eyeglass hinges. RedN(R) is coated with red resin on part of the screw body through injection molding, and the elasticity of this resin prevents the screw from loosening. When used for hinges, it provides a suitable amount of "friction," so please give it a try. * "Friction" refers to the force (resistance) applied during opening and closing. * For more details, please refer to the PDF document or feel free to contact us.

"Paint Cross(R)" is a special drive screw designed to prevent paint peeling that occurs during fastening by providing a stepped shape at the top of the cross hole. This eliminates the need for repairs (re-tightening) due to paint peeling. 【Features】 ■ Improved work speed as fastening can be done without worrying about paint peeling ■ No need for re-tightening or repairs ■ No need for expensive nickel-based plating for surface treatment ■ No special bit required *For more details, please refer to the PDF document or feel free to contact us.

"Resin eyelets" are environmentally friendly products that do not require separate disposal. Stationery and apparel products made with these resin eyelets can be incinerated as they are. Furthermore, they can be easily and beautifully set at room temperature by anyone. 【Features】 ■ Made of resin (polycarbonate) with a stop protrusion on the seat ■ Can be set using commercially available eyelet punches or hand presses ■ Can be colored according to application ■ Can be set at room temperature *For more details, please refer to the PDF document or feel free to contact us.

The "Ultra-Small Groove Fastener" creates a strong self-retaining force due to the elasticity of the V-shaped groove on the pin surface, making the fastening process simple and quick with only press-fitting required. Additionally, compared to parallel pins, the dimensional accuracy and surface roughness required for the pilot hole are not difficult, resulting in improved workability and reduced assembly costs. 【Features】 ■ No special tools are required for installation, allowing for easy press-fitting ■ The self-retaining force provides resistance to loosening and rotation even under vibration ■ Excellent strength, wear resistance, and fatigue resistance (for heavy-duty use) *For more details, please refer to the PDF document or feel free to contact us.

The Total Supporter of Fastening NITTOSEIKO, an expert in screws and screw fastening offers unique products ; ■ Industrial fasteners (screws) ■ Automatic assembly machines, automatic screw driving machines ■ Measurement and inspection equipment Beyond recommending total fastening solutions, we collaborate across our divisions and global group companies to solve our customers’ challenges and provide customized production processes to enhance efficiency. *For more details, please refer to the PDF materials or feel free to contact us.*

"ASPHA(R)" is a locking screw for thin plates that achieves improved fastening strength by reducing incomplete thread sections and increasing counterforce through the change from spring washers to spack washers. 【Features】 ■ Increased work efficiency and reduced total costs (compared to conventional methods, costs are halved) due to the elimination of the need for flat washer insertion during screw fastening. ■ Prevention of flat washer insertion omissions. ■ Improved fastening strength due to the reduction of incomplete thread sections and increased counterforce resulting from the change from spring washers to spack washers. *Reference: Spack washers provide approximately five times the spring counterforce compared to spring washers. *For more details, please refer to the PDF document or feel free to contact us.

"Coaflex(R)-I" is a screw that has undergone high-frequency hardening at the tip of the screw. It is capable of self-tapping into materials equivalent to SPCC using high-tension bolts. 【Features】 ■ By hardening only the tapered tip for self-tapping, the risk of delayed fracture is reduced. ■ The screw threads used for fastening have a strength equivalent to high-tension bolts, allowing for fastening with high axial force. 1. Size and Material: Nominal diameter: Φ5 to 12, Material: Equivalent to SCM435 2. Mechanical Properties: The neck area meets JIS B1051, strength classification 10.9, and the tip has a hardness equivalent to hardening. 3. Capable of self-tapping into iron plates equivalent to SPCC. 4. Can be used as a high-tension bolt. *For more details, please download the PDF document or feel free to contact us.

"AKROSE(R)" is a new method for strong dissimilar metal joining that utilizes the cold forging technology developed through the development and manufacturing of industrial fasteners (screws). We would like to introduce a Q&A collection about the innovative dissimilar metal joining "AKROSE(R)." *For more details, please refer to the PDF document or feel free to contact us.

"JOISTUD(R)-FH" is a self-clinching stud with a flush head. By minimizing the head thickness, the entire circumference of the head can be press-fitted into the mating part. By filling the mating material into the circular recess on the head seating surface, strong anti-rotation performance is achieved. 【Features】 ■ Does not protrude from the pressed plate ■ High anti-rotation resistance ■ High pull-out strength *For more information, please refer to the catalog. Feel free to contact us with any questions.

Nitto Seiko is a unique company that specializes in industrial fasteners (screws), automatic assembly machines, measurement and control, and cleaning and inspection equipment, which sets it apart from others. It is a total fastening company that not only engages in the integrated production of screws but also manufactures and sells tools for screw manufacturing, driver bits, screw tightening machines, assembly devices, measuring instruments, cleaning devices, and inspection equipment. We will provide detailed information about Nitto Seiko in our company introduction brochure! For more details, please download the 'Nitto Seiko Company Profile' catalog PDF.

In automotive electrical components, it is important to protect the interior from water and moisture to ensure high reliability. In particular, components installed in the engine room or on the exterior of the vehicle are exposed to various factors that increase the risk of water exposure, such as rainwater, water during washing, and condensation. Low waterproof performance can lead to electrical shorts and corrosion, potentially resulting in serious failures. Asfa(R) WP balances high axial force and waterproofing, contributing to the reliability of electrical components. 【Usage Scenarios】 - In-vehicle electronic devices - Headlights, taillights - Various sensors - Connectors 【Benefits of Implementation】 - Extended product lifespan due to high waterproof performance - Reduced frequency of component replacement - Increased customer satisfaction

In the field of outdoor communication equipment, high durability under harsh conditions exposed to rain, wind, and direct sunlight, as well as stable performance over long periods, are required. Particularly at the connection points of communication devices, it is important to prevent moisture intrusion and protect against rust and corrosion. Aspha(R) WP contributes to improving the reliability of communication equipment in outdoor environments due to its high axial force and waterproof performance. 【Usage Scenarios】 * Base stations * Antenna equipment * Outdoor communication boxes 【Benefits of Implementation】 * Prevents moisture intrusion and extends the lifespan of equipment * Reduces maintenance frequency and lowers operational costs * Contributes to stabilizing communication quality

In the solar power generation industry, long-term durability is required in harsh environments exposed to rain and wind, as installations are set outdoors. In particular, the waterproofing of connection points is crucial for maintaining system performance. Low waterproofing can lead to corrosion and insulation failure due to water ingress, resulting in decreased power generation efficiency and potential failures. Asfa(R) WP achieves a balance of high axial force and waterproofing, contributing to the reliability of solar power generation systems. 【Usage Scenarios】 - Fixing solar panel frames - Waterproofing connection boxes - Securing mounting structures 【Benefits of Implementation】 - High waterproof performance contributes to the longevity of the system - High axial force prevents loosening due to strong winds and vibrations - No need for countersinking, reducing construction costs

In the outdoor security industry, it is important to prevent failures caused by rainwater and humidity in outdoor equipment such as security cameras and sensors, ensuring long-term reliability. In particular, equipment installed outdoors is exposed to harsh environments, requiring high waterproof performance and durability. Asfa(R) WP balances high axial force and waterproof performance, contributing to the stable operation of outdoor equipment. 【Usage Scenarios】 - Security cameras - Outdoor sensors - Monitoring systems 【Benefits of Implementation】 - Prevents rainwater intrusion, reducing the risk of equipment failure - High axial force prevents loosening due to vibration and impact - Reduces maintenance costs by ensuring long-term reliability

In the home appliance industry, as products become smaller and more functional, measures to prevent failures due to water exposure have become important. In particular, products intended for outdoor use or those designed for use in wet areas require high waterproof performance. Traditional waterproofing measures often necessitate counterboring, which can lead to increased costs. The Asfa(R) WP is a waterproof screw that achieves high axial force and waterproofing by incorporating an O-ring and flat washer beneath the head. 【Usage Scenarios】 - Outdoor-installed home appliances - Kitchen appliances - Bathroom televisions - Washing machines 【Benefits of Implementation】 - Elimination of the need for counterboring, reducing total costs - Improved product reliability due to high waterproof performance - Contribution to the efficiency and automation of the assembly process