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コーマ

EstablishmentJune 2002
capital1300Ten thousand
number of employees17
addressKanagawa/Kohoku-ku, Yokohama-shi/2-5-11 Koma Building 2F, Kitashin-Yokohama
phone045-533-1310
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last updated:Dec 20, 2022
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Koma: Comprehensive Catalog of Press-Fit Fasteners for SUS304

No welding required even for stainless steel! Comprehensive catalog of press-fit fasteners for SUS304.

It has become possible to press-fit stainless steel fasteners into SUS304 sheet material. Unlike traditional stainless welding, it is less likely to cause cracks or fractures due to rapid cooling, and the corrosion resistance of the welded metal and heat-affected zone has improved compared to conventional products. Furthermore, distortion and cracking due to thermal expansion are less likely to occur. We can also accommodate requests for custom materials and dimensions. For more details, please contact us or download the catalog.

  • nut

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Koma [Clenching Fastener Comprehensive Catalog]

Comprehensive catalog of reliable spacers, nuts, and studs.

This is a comprehensive catalog featuring reliable spacers, nuts, and studs from Koma, available for free. Due to the pressing pressure, the material flows into the knurling and grooves of the clinching fasteners, providing high retention force in both axial and rotational directions, making it a highly reliable product. It allows for easy fastening according to plate thickness for a wide range of applications, including areas that cannot be welded and thin sheets, significantly expanding the design options for our customers' products. Clinching fasteners meet the demands of the times, enabling small lot sizes and short delivery times while guaranteeing stable precision in sheet metal products. We respond to all of our customers' needs and provide the best products for metal fastening. For more details, please contact us or download the catalog.

  • nut

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Fastener Kormanut

Press-fitting stainless steel fasteners into SUS304 plates, which was previously impossible!

It is now possible to produce new weld-free sheet metal from areas that could only be joined by welding.

  • nut

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Fastener clinching broaching spacer (for resin)

Press-fitting stainless fasteners into SUS304 plates, which was previously impossible!

It is now possible to produce new weld-free sheet metal from areas that could only be joined by welding.

  • Other machine elements

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Fastener Self-Clinching Stud

Press-fitting stainless steel fasteners into SUS304 plates, which was previously impossible!

It is now possible to produce new weld-free sheet metal from areas that could only be joined by welding.

  • Other machine elements

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Fastener Self-Clinching Spacer

Press-fitting stainless steel fasteners into SUS304 plates, which was previously impossible!

It is now possible to produce new weld-free sheet metal from areas that could only be joined by welding.

  • Other machine elements

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Press-fit fastener series for SUS304 - Kormanut

Press-fitting stainless fasteners into SUS304 plates, which was previously impossible!

It is now possible to produce new weld-free sheet metal from areas that could only be joined by welding.

  • nut

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Self-clinching nuts for SUS304 press-fit fastener series

Press-fitting stainless steel fasteners into SUS304 plates, which was previously impossible!

It is now possible to produce new weld-free sheet metal from areas that could only be joined by welding.

  • nut

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Press-fit fastener series for SUS304 - Comastad

【Sample Gift】The distortion of the sheet metal after pressing is minimal!

It has now become possible to press-fit stainless steel fasteners into SUS304 plates, which were previously considered impossible. New welding-free sheet metal can be produced from areas that could only be joined by welding. This is also ideal for control panels such as touch screens. It can accommodate thicknesses starting from 1mm. ==== For those who wish to request a sample, please contact us or download the catalog. ==== 【Features】 ○ The clinching stud has a beautiful finish and stable strength. ○ This is a Koma original product. ○ Model types:   KSSH-M3   KSSH-M4   KSSH-M5     * Model type composition:       (Product name and material code + H) - (Screw designation) - (L dimension)

  • Other machine elements

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Press-fit fastener for SUS304 self-clinching spacer

Press-fitting stainless steel fasteners into SUS304 plates, which was previously impossible!

It is now possible to produce new weld-free sheet metal from areas that could only be joined by welding.

  • Other machine elements

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Spacer, coma spacer

The beauty of the appearance after press-fitting that was not achieved with welding bosses.

Please try the beauty and high precision of the installation position with the Korma spacer.

  • Other machine elements

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Fastener for SUS304 press-fit fastener

A stainless steel fastener that can be joined by "press fitting" instead of welding has been developed using stainless steel 304 sheet material.

This is a fastener that is less likely to develop cracks or fractures due to rapid cooling, unlike previous stainless steel welding.

  • fastener

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