List of Screw products

Reduce the workload from handling heavy objects! Here are five case studies that solved customer challenges! We are also accepting free consultations and tests tailored to your work!

• Other conveying machines

Strong cold wind from room temperature to -13°C! Depending on the usage environment, you can choose between the combo type or the separate type!

• Cooling system

Iron (trivalent chromate) + pot giza tight

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Manufacturing various screws with processing technology cultivated since our founding! We also accommodate all screws that require special sizes and processing.

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• Processing Contract
• Contract manufacturing

The sealing nut easily fits into the pilot hole and prevents liquid leakage!

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Very high fastening strength in one step! It is possible to fasten dissimilar metals and materials with different strengths!

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From small screws to micro screws and adjustable products! A wide variety of screws and fasteners are featured.

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• Other electronic parts
• Other consumables

When you want to connect male threads of different sizes! Introducing screw conversion adapters.

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For those who want to connect parts of different sizes from different manufacturers! Screw conversion adapter.

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Securely fasten the screw! A hole of the specified size can be drilled in the center, allowing for the passage of liquids and gases.

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• nut

Connect male threads of different sizes! Custom manufacturing is possible according to specified standards and sizes.

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• nut

You can securely tighten screws! Introducing a custom screw conversion adapter.

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• nut

Introducing a custom-spec screw conversion adapter! It will improve the usability of your equipment.

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We introduce a screw conversion adapter with a shape that matches the size of the mounting device!

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• nut

90% of construction materials are custom-made. We offer suggestions for material selection, cost reduction, and strengthening processing steps. Samples are available.

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[Parts for Cutting Scissors] 90% are custom-made. We offer suggestions for processing steps such as material selection, cost reduction, and strength improvement. Samples available.

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Parts to be inserted into resin: 90% are custom-made. We offer suggestions for processing steps such as material selection, cost reduction, and strength enhancement. Sample provision is available.

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[Key Parts] 90% are custom-made products. We offer suggestions for processing steps such as material selection, cost reduction, and strength enhancement. Samples are available.

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[Key Components] 90% are custom-made products. We offer suggestions for processing steps such as material selection, cost reduction, and strength enhancement. Samples are available.

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[For flat-type center-mounted rivet fittings] 90% are custom-made. We offer proposals for material selection, cost reduction, and strength enhancement processing. Samples are available.

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【For caster main shafts】90% are custom-made. We offer suggestions for processing steps such as material selection, cost reduction, and strength enhancement. Samples are available.

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[Hardware Rivets] 90% are custom-made. We offer suggestions for material selection, cost reduction, and strengthening processes. Samples are available.

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[Use of adjustment wheels for residential use] 90% are custom-made. We offer suggestions for material selection, cost reduction, and strengthening processes. Samples available.

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"Bracket step rivets" are 90% custom-made. We offer suggestions for material selection, cost reduction, and strength enhancement in the processing stages. Samples are available.

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[Step screws for nursing care products] 90% are custom-made. We offer suggestions for material selection, cost reduction, and strength enhancement in the processing stages. Samples are available.

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【Shackle Step Bolt】 90% are custom-made. We offer suggestions for material selection, cost reduction, and strength enhancement in the processing stages. Samples are available.

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Tsuka Yu Manufacturing Co. supports small lots! Original parts create true original products.

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<Helpful materials comparing performance are now available> If you are troubled by rust on plating, please consider Geomet, which has 5 to 10 times the corrosion resistance of zinc plating.

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The sealing nut easily fits into the pilot hole and prevents liquid leakage!

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Smart and easy. It can be easily installed without tools thanks to a maximum of six plugs in the magazine.

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Easily upgrade your standard bolts to "anti-loosening" bolts! Achieve secure, reliable, and simple fastening with anti-loosening washers.

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• bolt
• fastener

We have published "custom specification conversion adapters" created based on customer requests!

• Other work tools
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• Other machine elements

The 'Kiemasen' is a marker pen that leaves a line outdoors for approximately 5 years. Registered technology with the Ministry of Land, Infrastructure, Transport and Tourism (Registration Number CB-220...

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First adoption in typhoon-prone Okinawa! Prevents outdoor unit from tipping over while allowing for removal during inspection and repair!

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The 'disappearing line' text remains outdoors for approximately 5 years. Ministry of Land, Infrastructure, Transport and Tourism NETIS registered technology (Registration number CB-220008-A)

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Prevent scratches on housing! Introduction of PG cable gland accessories.

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Stainless steel (low-temperature black chrome treatment) hex socket bolt (cap bolt)

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Other sizes can also be custom-made! Cable gland accessories with a temperature range of -60°C to +200°C.

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Introduction of stainless steel metric screw mounting nuts in compliance with DIN IEC 62444 technical information!

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The temperature range is -60°C to +200°C! It uses a metric connection screw in accordance with DIN EN 60423!

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A must-see! If you need to prevent looseness, please take a look.

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• Contract manufacturing

ITS (Ideal Timber Screw) is a product made in Japan using domestic materials. It aims to simplify construction and enhance the fastening strength of wood.

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• bolt

Fail-safe anchor for fall prevention measures that pursue safety.

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High-performance equipment and a cream room are fully equipped to achieve high-quality metal coating!! Compatible with various resin products such as ABS, PP, and polycarbonate.

• Other contract services
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• Other clean room equipment and facilities

High-performance equipment and a cream room are fully equipped to achieve high-quality metal coating!! Compatible with iron, stainless steel, brass, aluminum, and various die-cast materials.

• Other contract services
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• Other clean room equipment and facilities

Nikken Kogyo Co., Ltd. offers high-quality "coating" of metals and resins with high-performance equipment and a cream room! We can coat a variety of products!!

• Other contract services
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• Other clean room equipment and facilities

High-performance various preprocessing equipment and cream room are fully equipped to achieve high-quality painting of metals and resins! Streamlining product creation! From mold forming to preprocess...

• Other contract services
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• Other clean room equipment and facilities