bolt Product List and Ranking from 273 Manufacturers, Suppliers and Companies

Railway-related products: Rail screws

We offer screws with high precision and strong threaded parts using the hot rolling method!

At Teikoku Seibou, a leading company in rail fastening component manufacturing, we handle "rail screws." The intended uses are for fixing rails and fastening tie plates. To increase the pull-out resistance of the nails, we have cut threads. With the spread of synthetic sleepers, there are often cases where screws with thinner shaft diameters or smaller head diameters, as well as variations in shape depending on the usage location, are produced compared to conventional rail screws. Once we receive your drawings, we will start with mold design and proceed to manufacturing, so please feel free to consult us. 【Features】 ■ High precision and strong threaded parts due to hot rolling method ■ Thread cutting to increase the pull-out resistance of the nails ■ JIS mark certification product (JIS E1109) *For more details, please refer to the PDF materials or feel free to contact us.

Company：帝国製鋲
Price：Other

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Railway-related products: fastening bolts and switch bolts.

Numerous shock bolts and various shaped bolts related to signals and electricity.

The bolts for railway switches (points) are manufactured using a hot forging system. A variety of chock bolts and various shaped bolts related to signals and electrical components are produced using the hot forging system. We manufacture different types of screws, including metric screws and Whitworth screws (inch-based), according to customer requests. Based on our outstanding technical capabilities, we also produce a wide range of items. *For urgent or emergency cases, or for technical inquiries, please contact us directly through our website.

Company：帝国製鋲
Price：Other

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Railway-related products: resin-coated bolts for electrical contact and anti-corrosion.

Bolts treated with coatings such as nylon-based and epoxy-based.

Electrolytic corrosion is a phenomenon where metal rapidly dissolves due to the flow of electricity from natural phenomena on the surface of the metal. Iron structures are painted, and these paints contain a lot of zinc, which provides rust prevention effects. However, there are many areas of corrosion on bolts that have been hot-dip galvanized and are subjected to repeated wetting and drying, or are located in humid environments. To help address these issues, we also sell bolts that have been treated with coatings such as nylon-based and epoxy-based. *For urgent or emergency cases, or for technical inquiries, please contact us directly through our website.*

Company：帝国製鋲
Price：Other

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Construction-related products high-strength hex bolts

High-strength hex bolts, which are active in steel frame and bridge construction, are also one of our main products.

High-strength hex bolts (M12 to M30), which are actively used in steel frame and bridge construction, are one of our main products. High-strength hex bolts play an important role as components for construction machinery, supporting the future of the construction industry. We use special steel materials for high-strength hex bolts, such as low-carbon manganese, chromium, and boron steel, ensuring stable mechanical properties of the products. Our consistent production process, utilizing advanced bolt forming equipment (for diameters of 27mm or less), guarantees stable quality. Leveraging years of experience in hot forging technology, we also manufacture large-diameter high-strength hex bolts (M33 to M76). We mass-produce products with stable quality through strict lot management based on JIS B1186. We maintain a rich inventory of standard products and respond quickly to orders. *For urgent or emergency inquiries, or technical questions, please contact us directly through our website.

Company：帝国製鋲
Price：Other

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Construction-related products: stainless steel high-strength hex bolts

It has excellent design, corrosion resistance, and durability, and is widely used in various fields.

Stainless steel is excellent in design, corrosion resistance, and durability, and has been widely used in various fields for a long time. High-strength hex bolts used for stainless steel structural materials are regulated by JIS B1186 "Set of High-Strength Hex Bolts, Hex Nuts, and Flat Washers for Friction Joints." However, since the chemical composition and manufacturing methods of the material are not specified here, high-strength hex bolts made of stainless steel are manufactured based on the standards of the Stainless Steel Structural Engineering Association, SSBS301 "Set of High-Strength Hex Bolts, Hex Nuts, and Flat Washers for Structural Stainless Steel" (10T-SUS, 10-SUS, 35-SUS). *For urgent or emergency cases, or for technical inquiries, please contact us directly through our website.

Company：帝国製鋲
Price：Other

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Construction-related products TM truss bolts (TM bolt)

High quality, high strength, and corrosion-resistant treatment is available for bolts of various sizes.

TM truss bolts are used in the spherical joint sections of the TM spatial truss (by Taiyo Kogyo Co., Ltd.), which creates an ideal space without columns. TM bolts are made from chromium-molybdenum steel (SCM435) and nickel-chromium-molybdenum steel (SNCM439), heat-treated to achieve high strength using advanced heat treatment equipment. Additionally, they undergo special corrosion-resistant treatment to prevent delayed fracture. Teikoku Seibou Co., Ltd. can provide high-quality, high-strength, and corrosion-resistant treatment for bolts of various sizes (with a maximum neck length of 1,000 mm). *For urgent or emergency inquiries, or technical questions, please contact us directly through our website.

Company：帝国製鋲
Price：Other

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Large machinery, civil engineering, and ship-related products hex bolts (4.6 to 12.9)

We can manufacture bolts of all sizes according to user needs.

There are two types of hexagon head bolts based on the size of the width across the flats: 1. Standard hexagon bolts (regular hexagon bolts), and 2. Small hexagon bolts (hexagon bolts with a head width across the flats smaller than that of standard ones). The applicable strength grades are 4.6, 8.8, and 10.9. Teikoku Seiko Co., Ltd. can manufacture bolts of all sizes according to user needs. Additionally, since October 1993, Teikoku Seiko Co., Ltd. has been producing high-strength hexagon bolts with a diameter of 10.9 (JIS standard) using advanced heat treatment technology that leverages hot forging technology (with a maximum shank length of 1,000 mm possible). *For urgent or emergency inquiries, or for technical questions, please contact us directly through our website.

Company：帝国製鋲
Price：Other

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Large machinery, civil engineering, and ship-related products - stainless steel bolts.

It is manufactured under strict quality control with extensive experience in all processes.

The stainless steel bolts manufactured by Teikoku Seibou Co., Ltd. are produced based on years of accumulated technology and achievements. All products are made to order. The manufacturing process includes hot forging, solution treatment, NC cutting, thread rolling, and surface treatment, all carried out under strict quality control and with extensive experience in each process. The range of thread rolling is wide, accommodating small to large diameters, meeting all kinds of needs (with a maximum neck length of up to 1,000mm). *For urgent or emergency inquiries, or technical questions, please contact us directly through our website.

Company：帝国製鋲
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Large machinery, civil engineering, and ship-related products; special items, irregular items, and wit screws.

With reliable technology and a trustworthy system, we have carefully worked on each and every one.

Teikoku Seibou Co., Ltd. has been dedicated to each and every task with reliable technology and a trustworthy system. Furthermore, in order to respond to the "next needs," we have established a system that leverages the characteristics of the hot and cold forging technologies we have cultivated up to today, enabling us to accommodate all types of orders. Whether it’s standard bolts or special shapes and irregular bolts, please feel free to reach out with any inquiries or requests for quotes, regardless of the quantity, including questions like "Can you make something like this?" or "Can it be produced more economically?" *For urgent or emergency matters, or technical inquiries, please contact us directly through our website.

Company：帝国製鋲
Price：Other

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Hex bolts for large machinery (4.6, 8.8, 10.9)

High-strength tempering with advanced heat treatment equipment! Hex bolts for large machinery.

The "Large Machine Hex Bolt" from Teikoku Seibou is a hex bolt made from chromium-molybdenum steel (SCM435, 440) and nickel-chromium-molybdenum steel (SNCM439). 【Features】 ◆ The high strength is achieved through advanced heat treatment equipment, ensuring stable quality. ◆ When combined with nuts, it allows for stable torque management during tightening. ◆ The hex head bolts are available in two types based on the width of the two flat sides: - Standard hex bolt (regular hex bolt) - Small hex bolt (hex bolt with a head width smaller than that of the standard hex bolt) - Applicable strength classifications are 4.6, 8.8, 10.9. *For urgent or emergency inquiries, or technical questions, please contact us through our website.

Company：帝国製鋲
Price：Other

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Product Catalog: Types of Dog Nails

For general sections, laying sections, and frozen sections! Spikes for fastening sleepers.

The production of dog spikes has walked alongside Japan's long railway history. Even today, they are highly regarded both domestically and internationally for use in securing rails for wooden and synthetic sleepers. "Dog spike (standard)" is defined as JIS and comes in general and N-rail types. The N-rail type "dog spike (round head)" is used for securing sleepers in turnouts, expansion joints, and turnout-type plates, while the "dog spike (square head)" is also available for securing sleepers in turnouts and expansion joint floor plates. 【Features】 ○ General use - The angle under the head is 13° ○ N-rail use - The angle under the head is 1:10 ○ Square head spike - The angle under the head is 1:6 - Designed considering the shortcomings of the round head spikes listed below. *For urgent or emergency inquiries, please contact us through our website for technical questions.

Company：帝国製鋲
Price：Other

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Product Catalog: Screws for Rails

High fastening strength! Screws for rails that are resistant to loosening.

The "rail screw nail" is a screw that has been threaded to increase the resistance to pull-out of the nail. Its purpose is the same as that of a dog nail, which is to secure the rail and tie plate. With the widespread use of synthetic sleepers, there are many cases where screws with thinner shaft diameters or smaller head diameters than conventional rail screw nails are manufactured in different shapes depending on the application. Upon receiving the drawings, our company will start with the design of the mold and proceed with manufacturing. 【Features】 ○ Provides a higher fastening force to wood and synthetic sleepers, making it less likely to loosen. ○ Has a high-precision and strong screw section due to the hot rolling method. *In urgent cases, please contact us through our website for technical inquiries.

Company：帝国製鋲
Price：Other

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Product Catalog: Hot-Dip Galvanized High Strength Bolts (F8T)

High-strength bolts that are active in construction such as steel frames and bridges.

"Hot-dip galvanized high-strength bolts" are bolts used for construction machinery. High-strength hex bolts (M12 to M30), which are active in steel frame and bridge construction, are also one of the main products. The use of special steel materials for high-strength hex bolts, such as low-carbon manganese, chromium, and boron steel, ensures stable mechanical properties of the products. We have a rich inventory of standard products and will respond quickly to your orders. 【Features】 ○ Utilizing state-of-the-art equipment for bolt forming (φ27mm or less) for consistent production, ensuring stable quality. ○ Leveraging years of experience in hot forging technology, we also manufacture large-diameter high-strength hex bolts (M33 to M76). ○ Mass production of products with stable quality through strict lot management (based on JIS B1186). *For urgent or emergency inquiries, please contact us through our website for technical questions.

Company：帝国製鋲
Price：Other

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High-strength, highly corrosion-resistant stainless steel bolt "BUMAX"

Stainless steel bolts essential for maintaining strength, compactness, and lightweight design. Strength comparable to steel products.

■We are holding product briefings at any time. ■We have all sizes available, and immediate delivery is possible. ■For features of BUMAX, improvement examples, and catalog requests, please visit the following site. http://www.jastan.co.jp/products/byoura/bolt/

Company：中島工機
Price：Other

Hydraulic Equipment
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A4L-100 SUS316L high-strength stainless steel bolt

A4L-100 is a high-strength stainless steel bolt. It is available in a lineup from M16 to M27.

Based on years of experience using various types of stainless steel, SUS316L is highly regarded for its corrosion resistance and non-magnetic properties, and it is widely available in the market. We have developed bolts with a tensile strength of 1,000 N/mm² using SUS316L, along with nuts and washers designed to be used in combination with these bolts. In the development process, we focused on three points: 1. simplifying the manufacturing process, 2. preventing galling (deterioration of torque coefficient) caused by metal contact between the bolt and nut when tightened with high axial force, and 3. ensuring that the nuts and washers, which can withstand the strength of the bolts, are made from the same material.

Company：中島工機
Price：Other

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Aerospace Fasteners Comprehensive Catalog

There are many types of metal materials used in aircraft, and their standards are also diverse.

The standards used for aircraft vary in their fields and characteristics, and are used selectively as needed. This catalog will introduce MS, NAS, and AN.

Company：由良産商株式会社　特販部　特販課
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BUMAX 316L Stud (Cut to Length)

High-strength stainless steel bolts BUMAX now available in cut-to-length bolts! We will provide them cut to the required length.

This is a stainless steel fastener made from SUS 316L, excelling in high strength, corrosion resistance, heat resistance, non-magnetic properties, and resistance to galling!

Company：由良産商株式会社　特販部　特販課
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Inconel 718 high-strength heat-resistant bolt

We will manufacture engineered fasteners!!!

Inconel 718 has excellent machinability and becomes highly reliable for use as bolts when forged and subjected to aging heat treatment. Examples of applications include gas turbine components, rocket engine parts, aircraft components, reactor parts, pressure vessels, heat-resistant springs, fasteners, and various other applications that involve high temperatures. Yura Sansho Co., Ltd., a supplier of industrial fasteners, will propose solutions to all fastening-related issues, including high strength, heat resistance, corrosion resistance, and loosening, as a technical trading company. We supply optimal products tailored to customer needs, from short lead times and small lots to long-term and large-scale demands. We also accept inquiries regarding various standards such as JIS, ISO, SAE, ASTM, and ANSI. For more details, please contact us or refer to our catalog.

Company：由良産商株式会社　特販部　特販課
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17-4PH heat-resistant high-strength bolt

We will manufacture engineered fasteners!!!

17-4PH is a material known as SUS 630, which is widely used as a high-strength bolt material due to its ability to achieve precipitation hardening. Examples of applications include shafts, turbine components, and steel belts. Yura Sansho Co., Ltd., a supplier of industrial fasteners, will propose solutions as a technical trading company for all fastening-related issues, including high strength, heat resistance, corrosion resistance, and loosening. We supply optimal products tailored to customer needs, from short delivery times and small lots to long-term and large-scale demands. We also accept inquiries regarding various standards such as JIS, ISO, SAE, ASTM, and ANSI. For more details, please contact us or refer to our catalog.

Company：由良産商株式会社　特販部　特販課
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422 Kress Heat-Resistant High-Strength Bolt

We will manufacture engineered fasteners!!!

422 Cress is a material known as SUH 616, used as a bolt material for medium to high temperatures. Examples of applications include high-temperature structural components, steam turbine blades, discs, rotor shafts, and bolts. Yura Sansho Co., Ltd., a supplier of industrial fasteners, will propose solutions as a technical trading company for all fastening-related issues, including high strength, heat resistance, corrosion resistance, and loosening. We supply optimal products tailored to customer needs, from short lead times and small lots to long-term and large-scale demands. We also accept inquiries regarding various standards such as JIS, ISO, SAE, ASTM, and ANSI. For more details, please contact us or refer to our catalog.

Company：由良産商株式会社　特販部　特販課
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Hastelloy C-276 corrosion-resistant bolt

We will manufacture engineered fasteners!!!

Hastelloy C-276 has excellent corrosion resistance in a wide range of severe corrosive environments. It has good weldability and does not require post-weld heat treatment, ensuring good corrosion resistance in the welded areas. Examples of applications include pollution prevention and flue gas desulfurization (FGD) systems, chemical industry equipment, pulp and paper industry equipment, and waste treatment facilities. Yura Sansho Co., Ltd., a supplier of industrial fasteners, will propose solutions as a technical trading company for all fastening-related issues, including high strength, heat resistance, corrosion resistance, and loosening. We supply optimal products tailored to customer needs, from short delivery times and small lots to long-term and large-scale demands. We also accept inquiries regarding various standards such as JIS, ISO, SAE, ASTM, and ANSI. For more details, please contact us or refer to our catalog.

Company：由良産商株式会社　特販部　特販課
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Hastelloy B-2 corrosion-resistant bolt

We will manufacture engineered fasteners!!!

Hastelloy B-2 is an improved alloy of Hastelloy B, with corrosion resistance comparable to B, but with enhanced corrosion resistance at welded joints, allowing it to be used in most chemical equipment in its welded state. Examples of applications include towers, tanks, and heat exchangers in petrochemical industries (such as PVC, polyethylene, polystyrene, benzene, etc.), as well as sulfuric acid production facilities. Yura Sansho Co., Ltd., a supplier of industrial fasteners, proposes solutions as a technical trading company for all fastening-related issues, including high strength, heat resistance, corrosion resistance, and loosening. We supply optimal products tailored to customer needs, from short delivery times and small lots to long-term and large-scale demands. We also accept inquiries regarding various standards such as JIS, ISO, SAE, ASTM, and ANSI. For more details, please contact us or refer to our catalog.

Company：由良産商株式会社　特販部　特販課
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【Strength Guarantee】A2-70 Stainless Steel Hex Bolt

【Strength Classification A2-70】Strength Guarantee! JIS Main Body Standard Austenitic Stainless Steel (A2) Hexagon Bolt with Washer

The mechanical properties are guaranteed based on JIS B 1054-1. This hex bolt guarantees the "Strength Classification A2-70" created according to the JIS B 1180 main standard. All materials used are domestic materials based on "JIS G 4308 stainless steel wire."

Company：由良産商株式会社　特販部　特販課
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Maximum tensile strength 1,000 N/mm²!! Special feature on high-strength 304 stainless steel bolts.

The resistance to stress corrosion cracking is equivalent to SUS316L! It enables lightweight and long-lasting fasteners!

┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ■ Achieving high specifications, ease of use, and beauty ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━ An astonishing specification boasting a maximum A2-100 high strength!! Next-generation high-strength stainless steel fastener "SUS 304CUN". - A2-90 Hex Bolt - A2-100 Hex Socket Bolt - A2-100 High Tension Nut - HV300 High Tension Washer (SUS304N2) ■ Seven Features 1) High Strength → Tensile strength 900–1,000N/㎟ 2) Unhardened → Achieved strength increase through cold forming only 3) High Heat Resistance → No carbon precipitation occurs at 500–700℃ (Recommended 500℃) 4) High Corrosion Resistance → Stress corrosion cracking properties almost equivalent to SUS316L 5) Non-Magnetic → Permeability is 1.01μ–1.03μ 6) Lightweight → Due to high strength (yield) characteristics 7) Domestic Product → Immediate delivery / mass production / custom orders available ★ For details and adoption results, please download and view the catalog.

Company：由良産商株式会社　特販部　特販課
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SUS329J4L High Corrosion-Resistant Hex Bolt (FA-80)

It has resistance to pitting corrosion, crevice corrosion, and stress corrosion cracking in a chloride environment!!

┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ■ Features of SUS329J4L ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━ "SUS329J4L is..." It is a duplex stainless steel consisting of austenitic and ferritic phases. It has excellent resistance to pitting corrosion, crevice corrosion, and stress corrosion cracking in chloride environments, and also boasts high strength. ◆ High Corrosion Resistance ◆ - 2 times that of SUS304 - 1.5 times that of SUS316L in pitting corrosion resistance index (PRE) ◆ High Strength ◆ - Tensile strength: 800 N/mm² - 0.2% yield strength: 600 N/mm² (minimum value) ◆ Shape and Dimensions ◆ Nominal diameter: M8 to M16, available in stock! *For details, please download the materials and take a look.

Company：由良産商株式会社　特販部　特販課
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Aluminized α treatment suitable for preventing galling and seizure of hex bolts and nuts.

It is highly resistant to corrosion, seawater, and heat, and does not suffer from corrosion degradation or deformation even at high temperatures!

◎ What is Aluminaize α treatment… It is a processing method that involves performing low-temperature thermal diffusion treatment on the aluminum layer on the surface to allow mutual diffusion of the aluminum layer, forming an alloy layer (Fe-Al intermetallic compound). ◎ Why does it not seize… When the surface of the screw or the mating material reaches high temperatures, oxidation occurs and scales of over 6μ are generated. When removing the bolt, the generated scale accumulates (sticks) in the clearance between the female and male threads, causing seizing or galling. The scale from the Aluminaize α treatment is a maximum of 2μ, and when removing the bolt, it rolls within the clearance between the female and male threads, acting as a lubricant to prevent seizing and galling. ◎ Materials suitable for Aluminaize α treatment Iron, cast iron, steel, alloy steel, SUS materials, heat-resistant steel, titanium, Inconel, Hastelloy, etc. *For details, please contact us or download the PDF.

Company：由良産商株式会社　特販部　特販課
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SUS304CUN High Strength Cut Bolt ★A2-90★

Pure domestic production with high strength! Super aesthetic and high corrosion resistance! Guaranteed 900N/mm²!

★Pure Domestic★ High Strength Cut-Length Bolts are now available! ■ Material: SUS304CUN (Mill certificate available) ■ Thread accuracy: 6g ■ Strength: A2-90 ■ Guaranteed load: 900N/mm² ■ Surface treatment: Passivation Compared to conventional cut-length bolts, they have significantly higher strength and stress corrosion cracking resistance equivalent to 316. ■ Providing safety and security in the construction and civil engineering fields! ------------------------------------------------------------ For details such as available sizes, click the 【Download】 button! ------------------------------------------------------------ 　　　↓　　↓　　↓

Company：由良産商株式会社　特販部　特販課
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Alloy 600 hex socket bolt ★ Equivalent material to Inconel 600 ★ In stock

Since it is a cold forged product, significant cost reductions are possible compared to machined products!

Alloy 600 is a material that can be used in various severe corrosion environments at high temperatures. □■ Heat Resistance ■□ - Exhibits high strength, high oxidation resistance, and creep resistance at high temperatures, maintaining high strength even around 600°C! - Excellent resistance to sulfidation, high-temperature oxidation, and corrosion environments due to chromium content. □■ Corrosion Resistance and Chemical Resistance ■□ - High nickel content provides excellent corrosion resistance against many organic and inorganic compounds. - Excellent resistance to stress corrosion cracking in the presence of chloride ions. - High corrosion resistance against corrosion caused by high-purity water. - Nearly complete corrosion resistance to ammonia. ------------------------------------------------------------ For detailed information such as handling sizes, click the 【Download】 button!! ------------------------------------------------------------ 　　　↓　　↓　　↓

Company：由良産商株式会社　特販部　特販課
Price：Other

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Hastelloy/Inconel equivalent materials for sale.

High heat resistance! High corrosion resistance! Alloy screw products!

■◇Rare Metal Products Further Enhanced◇■ Stock Materials - ALLOY600/601/625 (Equivalent to Inconel) - ALLOY22/276/X-750 (Equivalent to Hastelloy) Stock Products - Hexagon socket bolts - Hexagon bolts - Hexagon nuts - Flat washers - Spring washers *Inconel is a registered trademark of Special Metal Corporation. *Hastelloy is a registered trademark of Haynes International, Inc.

Company：由良産商株式会社　特販部　特販課
Price：Other

Industrial Furnace
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[Special Feature] 19th Mechanical Components Technology Exhibition ★Exhibition★

We will introduce the exhibition scenery and the exhibited products.

We exhibited at the "19th Mechanical Components Technology Exhibition" held recently at Tokyo Big Sight. In response to your requests, we would like to introduce the exhibition scenery and the products we showcased.

Company：由良産商株式会社　特販部　特販課
Price：Other

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