Hexagonal bolt×由良産商株式会社　特販部　特販課 - List of Manufacturers, Suppliers, Companies and Products

Hexagonal bolt Product List

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High corrosion-resistant duplex stainless steel "SUS329J4L" hex bolt

High corrosion-resistant duplex stainless steel "SUS329J4L" hex bolt

Achieving corrosion resistance and high strength in chloride environments! Available for stock sale from M8 to M16. Suitable for areas where stress corrosion cracking is a concern.

┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ■ Features of SUS329J4L ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━ "SUS329J4L is..." It is a duplex stainless steel composed of austenitic and ferritic phases. It has excellent resistance to pitting corrosion, crevice corrosion, and stress corrosion cracking in chloride environments, and it 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! *Please download the materials for more details.

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7000 series high-strength aluminum alloy ARK600 ultra-high-strength hex bolt

7000 series high-strength aluminum alloy ARK600 ultra-high-strength hex bolt

By adopting high-strength aluminum alloys and implementing advanced molding techniques for special heat treatment, we have achieved "tensile strength of 600 N/mm² and yield strength of 500 N/mm²"!

While meeting the "AL6" standard for the mechanical properties of non-metallic screw components, the adoption of high-strength aluminum alloy "DK50" for automotive applications, along with advanced forming technology for cold forging and the implementation of special heat treatment to address stress corrosion cracking, has achieved "tensile strength of 600 N/mm² and yield strength of 500 N/mm²."

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【Strength Guarantee】A2-70 Stainless Steel Hex Bolt

【Strength Guarantee】A2-70 Stainless Steel Hex Bolt

Strength classification A2-70! Strength guarantee! JIS standard body specification Austenitic stainless steel (A2) hexagon bolt with flange.

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."

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Aluminized α treatment suitable for preventing galling and seizure of hex bolts and nuts.

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, allowing the aluminum layer to interdiffuse with the base material to form 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, resulting in the formation of scale over 6μ. 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, allowing it to roll within the clearance between the female and male threads when removing the bolt, acting as a lubricant and preventing 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 more details, please contact us or download the PDF.

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

[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.

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8.8 Strength Guarantee Hex Bolt with Hot-Dip Galvanizing

8.8 Strength Guarantee Hex Bolt with Hot-Dip Galvanizing

We guarantee a strength of 8.8 even after being treated at high temperatures with molten zinc plating!

Yura Sangyo Co., Ltd. handles "hex bolts" with a strength guarantee of 8.8. Most standard 8.8 hex bolts are made from boron steel or SWCH35K, but our product uses "SCM435" and is managed under appropriate heat treatment conditions, ensuring a strength of 8.8 even after being treated at high temperatures during hot-dip galvanization. Please feel free to contact us when you need assistance. 【Hex Bolt Sizes】 - M10 x 20–75 - M12 x 30–75 - M16 x 35–100 - M20 x 40–100 - M22 x 55–120 - M24 x 60–120 - M27 x 70–150 - M30 x 70–150 *For more details, please download the PDF or feel free to contact us.

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