Last Updated： Aggregation Period:Feb 25, 2026～Mar 24, 2026
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Feb 25, 2026～Mar 24, 2026
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Feb 25, 2026～Mar 24, 2026
This ranking is based on the number of page views on our site.
1081～1110 item / All 2003 items
White fiber flat washer
When the hole diameter of the material being tightened is larger than that of the screw, it can stabilize the screw head. By increasing the surface area of the screw head, it enhances the adhesion to the material. It is suitable for use in areas that need to be insulated. It prevents damage to the material being tightened at the surface of the screw head during tightening. It is compliant with EU-RoHS standards.
Outer diameter and thickness can be selected! Stainless Steel 304 Custom Flat Washers (Flat Washers)
This is the "Special Size Flat Washer" series developed with a wide range of options for outer diameter and thickness compared to conventional flat washers. It can stabilize the screw head when the hole diameter of the material being tightened is larger than that of the screw. By increasing the surface area of the screw head, it enhances the contact with the material. It is also referred to as a washer or flat washer. It is compliant with EU-RoHS standards.
Outer diameter and thickness can be selected! Brass custom flat washers (flat washers)
This is the "special-sized flat washer" series developed to allow for a wide selection of outer diameters and thicknesses compared to conventional flat washers. When the hole diameter of the material being fastened is larger than that of the screw, it stabilizes the screw head. By increasing the surface area of the screw head, it enhances the contact with the material. It is also referred to as a washer or flat washer.
CNR flat washer
When the hole diameter of the material being fastened is larger than that of the screw, it can stabilize the screw head. By increasing the surface area of the screw head, it enhances the adhesion with the material. It is also referred to as a washer or flat washer. It is compliant with EU-RoHS standards.
Outer diameter and thickness can be selected! Silicone rubber K-125 flat washer.
When the hole diameter of the material being tightened is larger than that of the screw, it can stabilize the screw head. By increasing the surface area of the screw head, the adhesion to the material can be enhanced. It is also referred to as a washer or flat washer. It is compliant with EU-RoHS standards.
Iron + small screw with NBR washer
This is a pan head screw incorporating NBR-made set washers (NBRS series). It prevents the washer from falling off when the screw is removed, thereby reducing the workload during assembly. It is compliant with EU-RoHS standards.
Iron + small screw with silicone washer
This is a pan head screw incorporating a silicone rubber set washer (SIS series). It prevents the washer from falling off when the screw is removed, thereby reducing the workload during assembly. It is compliant with EU-RoHS standards.
Stainless steel + small pot screw with NBR washer
This is a pan head screw incorporating NBR-made set washers (NBRS series). It prevents the washers from falling off when the screw is removed, thereby reducing the workload during assembly. It is compliant with EU-RoHS standards.
Stainless steel + small pot screw with silicone washer
This is a pan head screw incorporating a silicone rubber set washer (SIS series). It prevents the washer from falling off when the screw is removed, thereby reducing the workload during assembly. It is compliant with EU-RoHS standards.
Aluminum + small pot screw with NBR washer
This is a pan head screw incorporating NBR-made set washers (NBRS series). It prevents the washer from falling off when the screw is removed, thereby reducing the workload during assembly. It is compliant with EU-RoHS standards.
PEEK small screw with silicone washer
This is a pan head screw incorporated with a silicone rubber set washer (SIS series). It prevents the washer from falling off when the screw is removed, thereby reducing the workload during assembly. It is compliant with EU-RoHS standards.
PPS + small pan screw with NBR washer
This is a pan head screw incorporating NBR-made set washers (NBRS series). It prevents the washer from falling off when the screw is removed, thereby reducing the workload during assembly. It is compliant with EU-RoHS standards.
RENY + small pan screw with silicone washer
This is a pan head screw incorporating a silicone rubber set washer (SIS series). It prevents the washer from falling off when the screw is removed, thereby reducing the workload during assembly. It is compliant with EU-RoHS standards. * There may be slight discoloration due to lot and various conditions. * There may be black spots (sludge) on the surface, but it does not affect performance. * The dimensional management of the screw part is based on the fit with the nuts of the same series.
Iron (trivalent chromate) + pot giza tight
Resin-Specific Anti-Loosening Self-Tapping Screw "Giza Tight" The screw features square grooves divided into four sections around its circumference, providing a strong anti-loosening effect in harsh environments such as vibrations and temperature changes. The asymmetrical screw threads alleviate fatigue in the female threads, allowing for smooth insertion. The sharp threads easily bite into the female threads, preventing boss breakage, and they deeply embed into the resin, enhancing the anti-backout effect. The groove depth is approximately 70% of the thread height, and the escape groove angle is less than 90°, allowing for repeated use. Giza Tight is a registered trademark of Nitto Seiko Co., Ltd. It complies with EU-RoHS2 standards.
Stainless hexagonal socket low head screws with neon peach heads.
This is a low-head screw with a hexagonal socket, featuring a fluorescent peach color on the head for vibrant visibility. The neon color is intended for use in disaster prevention, alerting attention, and highlighting specific areas. It fits neatly and smartly even in tight spaces, making it ideal for portable and slim devices. The smooth finish enhances safety by preventing snags that could harm the skin. Its inconspicuous screw head is also popular for products that prioritize design. Since no counterbore processing is required, it is recommended when you want to reduce processing costs. It complies with EU-RoHS2 standards.
Stainless steel hexagonal socket low head screws with neon lemon colored heads.
This is a low-head hexagonal socket screw with a fluorescent lemon color applied to the head. The highly visible neon color is intended for use in disaster prevention, alerting attention, and highlighting areas that need to stand out. It fits neatly and smartly even in tight spaces, making it ideal for portable and slim devices. The smooth finish prevents snagging and skin injuries, enhancing safety. Its inconspicuous screw head is popular for products that prioritize design. Since counterboring is not required, it is recommended when you want to reduce processing costs. It is compliant with EU-RoHS2 standards.
Nylon cosmetic screw No. 1
This is a screw that can be tightened by hand. It has excellent wear resistance, lubricity, chemical resistance, and oil resistance. It is suitable for use in lighting fixtures, display equipment, electrical devices, and office equipment. It complies with EU-RoHS2 standards.
Nylon cosmetic screw No. 3
This is a screw that can be tightened by hand. It has excellent wear resistance, lubricity, chemical resistance, and oil resistance. It is suitable for use in lighting fixtures, display equipment, electrical devices, and office equipment. It complies with EU-RoHS2 standards.
Black nylon cosmetic screw No. 1
This is a screw that can be tightened by hand. It has excellent wear resistance, lubricity, chemical resistance, and oil resistance. It is suitable for use in lighting fixtures, display equipment, electrical devices, and office equipment. It complies with EU-RoHS2 standards.
Black nylon cosmetic screw No. 3
This is a screw that can be tightened by hand. It has excellent wear resistance, lubricity, chemical resistance, and oil resistance. It is suitable for use in lighting fixtures, display equipment, electrical devices, and office equipment. It complies with EU-RoHS2 standards.
Stainless steel (black dye processing) + small pan screw
This is a representative type of pan screw with a cross recess that is widely used in various fields. It is made of iron and has a high corrosion-resistant black coating (Sabinai-jan). It complies with EU-RoHS2 standards. - High corrosion-resistant black coating (Sabinai-jan) refers to a blackened stainless steel that forms a black film on the surface of the metal, providing high corrosion resistance. In rust resistance durability tests (salt spray), the typical black coating lasts for 72 hours, while the high corrosion-resistant black coating (Sabinai-jan) exceeds 3000 hours. It is suitable for outdoor use and may be used for salt damage prevention in coastal areas and snow removal regions. Applications: Construction, outdoor use, automotive, etc.
Iron, chrome-plated! Connecting bolts for supports that consider the environment.
The "Supporter Connecting Bug Screw" is used as a connecting bolt when linking two or more supporters (excluding SS and DD types). The material is made of iron, and the bolt and nut parts are finished with environmentally friendly trivalent chrome electro-galvanizing. 【Features】 ■ Connecting bolt for linking two or more supporters (excluding SS and DD types) ■ Material: Iron ■ Bolt and nut parts are finished with environmentally friendly trivalent chrome electro-galvanizing *For more details, please refer to the PDF document or feel free to contact us.
Clean Hinge HG-CV Type PAT
● The sliding part is covered with a resin cap to prevent wear and the scattering of metal dust caused by contact between metals. ● The shape of the resin cap does not interfere with the housing when the door is opened or closed. ● In the event of light contact, the resin cap protects the hinge. ● The precision type has a specification with minimal clearance between the hinge leaf, resin cap, and shaft.
Utilized as embedded devices and adjustment components, starting with analysis devices!
Fine adjustment screws are used in various optical products. They can be utilized as components for devices, including analytical instruments, and as adjustment parts. In the TM series, we offer various types such as 0.25 pitch screw types and micro types to suit different applications. We also accommodate requests for non-standard products, so please feel free to contact us.
Metal corrosion, salt damage, insulation, electrolysis, surface treatment.
Coating is possible for electronic parts down to a few millimeters. We are responding to user requests.
Sealing treatment for castings at room temperature and atmospheric pressure, with a transparent high heat-resistant coating of 1500°C. Compared to vacuum impregnation treatment, it offers cost reduction, shorter delivery times, transparency, corrosion resistance, and high heat resistance specifications.
Starting from October 2012, we will begin accepting orders for sealing treatment of cast products using inorganic film surface treatment.
![Nylon resin coated screws for preventing loosening [Reusable!]](https://image.mono.ipros.com/public/product/image/ae3/2000377116/IPROS1490007052474859412.png?w=280&h=280)
Nylon resin coating for preventing loosening, so screws won't come loose! Reusable!
"Lockfill" is our original coating screw designed to prevent loosening, which fuses "12 nylon resin" known for its excellent elasticity, resilience, abrasion resistance, and oil resistance into the valleys of the screw. It is reusable and has a long shelf life, making it very user-friendly. 【Features】 ■ Water-soluble and environmentally friendly ■ Can be applied around the entire screw ■ Long shelf life (semi-permanent) ■ Ideal for areas that need to be reused ■ Excellent elasticity, resilience, abrasion resistance, and oil resistance ■ Perfect for areas where adhesive-type (glue) solutions are unsatisfactory ■ Usable range: -50℃ to 140℃ *For more details, please refer to the catalog. For inquiries, please contact Koyama Co., Ltd.
Screws, bolts, washers, and more! We offer standard and custom products to suit various industrial applications.
We would like to introduce the "fastening components" that we handle. We offer standard and custom products tailored to various industrial applications, including automotive parts, medical devices, nuclear, home appliances, and welfare equipment. Additionally, we are committed to proposing fastening technologies, including value analysis (VA). Please feel free to contact us when you need assistance. 【Product Lineup】 ■ Screws ■ Bolts ■ Washers ■ Nuts ■ Rivets ■ Plastic Fasteners *For more details, please download the PDF or feel free to contact us.
If you're worried about overseas procurement, then let's choose a well-managed factory in Japan.
◎ There are local subsidiaries in the following countries! ▶▶ Philippines, Shanghai, Hong Kong, Vietnam (in order of establishment) ◎ The local subsidiaries serve as points of contact, allowing direct communication with the factories! ▶▶ They are within a distance that allows for factory visits, providing peace of mind. ◎ Many local factories are either Japanese-owned or well-managed by Japanese standards! ▶▶ This alleviates concerns about quality and delivery times. ◎ Semi-local procurement is also possible! ▶▶ By supplying goods exported from Japan through the local subsidiaries, it contributes to increasing the local procurement rate.
Materials such as SUS430, aluminum, and titanium are available! A variety of sizes are lined up.
We would like to introduce the "Nabe small screws" that we handle. We offer a wide range of screw sizes, including M2, M2.3, M2.5, M2.6, M3, M3.5, M4, and M5. We have a variety of materials available, such as iron, brass, stainless steel, and SUS316L. 【Partial Lineup】 ■M2 ■M2.3 ■M2.5 ■M2.6 ■M3 *For more details, please feel free to contact us.
