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  3. 第一工業 鋲螺事業部(ネジ・ボルト・ナット等締結部品 製造販売. 静岡県浜松市)
  4. We are publishing a series on the basics of cap nuts!
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  • Dec 03, 2018
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Dec 03, 2018

We are publishing a series on the basics of cap nuts!

第一工業 第一工業 鋲螺事業部(ネジ・ボルト・ナット等締結部品 製造販売. 静岡県浜松市)
We are publishing the newsletter series "Basic Knowledge of Cap Nuts," which was distributed from September to November 2017. A cap nut is a type of nut that is sealed on one side with a hemispherical cap, and it does not have a through hole. By covering the threaded part of a bolt, it excels in corrosion resistance, safety, and aesthetic appearance. Our company was the first in Japan to manufacture and sell bag nuts (Type 3, Category 2 cap nuts) with caps pressed and welded onto the nuts. Since then, we have responded to various applications and needs from our customers by manufacturing and selling a variety of bag nuts. For example, we offer lightweight and highly corrosion-resistant titanium cap nuts, SS-UFO nuts that can be tightened with a screwdriver, and SS insert cap nuts that can be embedded in resin, all tailored to meet your requirements. For more details, please refer to the related catalog. Feel free to contact us as well.
Titanium cap nut
Titanium cap nut
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Daiichi Kogyo Co., Ltd. HP
This is the HP of Daiichi Kogyo Co., Ltd.
Bag Nut JIS Type 3/Cap Nut
This introduces the cap nut series from Daiichi Kogyo Co., Ltd.

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Bag nut JIS Type 3 "Cap nut"

The bag nut is the original of JIS Type 3! We offer a variety of product series including iron, stainless steel, titanium, and weld (welding) nuts.

The founder of Daiichi Kogyo Co., Ltd., Akira Suzuki, was the first in Japan to manufacture and sell a bag nut (JIS Type 3 cap nut) with a cap that is press-formed onto a nut. Since its release, it has received positive feedback for being lighter and more affordable compared to traditional cutting types, and it has evolved into a wide variety of forms to suit various applications. You can find it in places close to you, so please remember Daiichi Kogyo when you see it. 【Features】 ○ The head is hollow, making it lightweight and allowing male threads to be inserted to the tip of the cap, preventing exposure of the threaded part. ○ The design is smart and has excellent decorative qualities. ○ It is standardized and can be mass-produced. For more details, please contact us or download the catalog.

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Bag Nut JIS Type 3 "Titanium Cap Nut"

The weight is about two-thirds that of iron! Titanium bag nuts (cap nuts) that are resistant to salt damage, rust, chemicals, and heat.

The founder of Daiichi Kogyo Co., Ltd., Akira Suzuki, was the first in Japan to manufacture and sell a bag nut (JIS Type 3 cap nut) with a cap pressed onto a nut. Since its release, it has received positive feedback for being lighter and more affordable compared to traditional cutting types, and it has evolved into a wide variety of forms to suit various applications. From this bag nut series, we offer lightweight and highly corrosion-resistant titanium cap nuts. 【Features】 ○ Lightweight (titanium is about two-thirds the weight of iron and half the weight of copper) ○ Excellent corrosion resistance, chemical resistance, and heat resistance ○ Smart design with excellent decorative qualities ○ Standardized and suitable for mass production 【Standard Sizes】Hexagonal type: Compatible with sizes M6 to M12. *Some are made to order. For more details, please contact us or download the catalog.

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UFO_image220x220I.png

Bag Nut "SS-UFO Cap Nut"

It is a bag nut that can be tightened with just one driver, even in narrow spaces!

The founder of Daiichi Kogyo Co., Ltd., Akira Suzuki, was the first in Japan to manufacture and sell a bag nut (JIS Type 3 cap nut) with a cap formed by pressing onto a nut. Since its launch, it has received positive feedback for being lighter and more affordable compared to traditional cutting types, and it has evolved into a wide variety of forms to suit various applications. From this bag nut series, we offer the "SS-UFO Cap Nut," which can be tightened with a screwdriver. The "SS-UFO Cap Nut" is a special bag nut with recesses (such as a cross hole) in the cap part. Even in tight spaces where a wrench cannot be used, this "SS-UFO Cap Nut" can be tightened with just one screwdriver. Please consider it in cases where hex nuts are difficult to tighten due to design constraints, or when you want to improve workability in small and narrow spaces. There are two head shapes available: pan (cross hole) and truss (cross hole). For more details, please contact us or download the catalog.

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Related catalog(4)

Active in a wide range from architecture to vehicles! Basic knowledge of cap nuts.

Active in a wide range from architecture to vehicles! Basic knowledge of cap nuts.

OTHER
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Product Information "SS-Cap Nut"

Product Information "SS-Cap Nut"

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Product Information: Titanium Cap Nut (Bag Nut)

Product Information: Titanium Cap Nut (Bag Nut)

PRODUCT
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Product Information: "SS-UFO Cap Nut (Bag Nut)"

Product Information: "SS-UFO Cap Nut (Bag Nut)"

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第一工業 鋲螺事業部(ネジ・ボルト・ナット等締結部品 製造販売. 静岡県浜松市)
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Driftwood Catching Tool "RB Catcher"

Addition of the "RB Catcher," a log capture device, installed on impermeable sediment control dams.

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We have newly added the "RB Catcher," a log capture device installed on impermeable sediment control dams in flow sections, to our product lineup and have started sales. The RB Catcher is directly attached to the upstream part of the impermeable sediment control dam to enhance log capture functionality. Unlike the conventional straight arrangement, it features a structural layout that creates gaps between units, ensuring that water flow is maintained without causing blockages after capturing logs. This allows for the reliable capture of subsequent logs without overflow, preventing damage downstream. By adding this new log capture device to our lineup, we will flexibly respond to various needs in the field.

Mar 30, 2026

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Realizing strict access control with high-speed facial recognition and impersonation prevention using edge AI.

High-speed facial recognition and impersonation prevention using edge AI enables strict access control management, with FaceMe Security supporting VIA Technologies' access control device "ACS-5000."

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This time, the ACS-5000 is available as a facial recognition terminal compatible with FaceMe Security's add-on feature "Face Terminal," enabling access control management that combines "advanced anti-spoofing features" with high-speed facial recognition powered by edge AI. ■ Main Features 1. Accelerated Authentication Processing FaceMe Security is optimized for the MediaTek Genio 700's NPU, achieving faster facial recognition processing and reduced CPU load compared to processing with only the CPU. It ensures stable authentication without delays even during peak times, such as clocking in and out, contributing to alleviating congestion. 2. Advanced "Anti-Spoofing" Optimized for the IR + RGB camera mounted on the ACS-5000. It can quickly detect fraudulent authentication using photos, videos, or 3D masks within 0.6 seconds, ensuring reliable identity verification. 3. Door Control Without Additional Equipment FaceMe Security can directly control the digital I/O of the ACS-5000, allowing for the construction of an access control management system without the need for additional equipment. This simplifies system configuration and reduces implementation costs.

Mar 27, 2026

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Solve your problems with wired bed exit sensors by connecting a wireless set linked to the nurse call system!

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Do you have any concerns or requests regarding wired bed exit sensors? × Tangling or tripping over wired cables × Cable disconnection or damage × Worrying about forgetting to turn the switch back on after temporarily stopping the sensor. × Wanting to be notified of bed exits even from a location far from the nurse call outlet. Such concerns can be resolved simply by connecting our wireless nurse call linked set to the sensor! Our wireless nurse call linked set allows you to connect bed exit sensors like "Ugo-kun," "Foldable Thin Matta-kun," "Ayumi-chan," and "Just Place Pole-kun" to transmitters and receivers, reducing wiring around the bed area, alleviating concerns about tripping or falling due to cables, and contributing to a tidier work environment. Furthermore, it enables the use of bed exit sensors even from locations far from the nurse call outlet, allowing for more flexible equipment placement.

Mar 27, 2026

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Non-contact light touch sensor "HA-T401/HA-T520"

A non-contact light touch sensor "HA-T Series" that realizes "wanting to open in a narrower range and in a limited manner" based on the surrounding environment of automatic doors.

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The non-contact beam touch sensor "HA-T401/HA-T520" has a compact detection range, making it an ideal automatic door sensor for installation on automatic doors facing narrow corridors or busy streets. Depending on the application and installation location, you can choose between "non-vision mounting type" and "non-vision built-in type." 【Features】 ● With the beam touch sensor, you can open and close the automatic door simply by bringing your hand close without touching it, ensuring hygiene. ● Depending on the installation environment, such as single sliding or bi-parting doors, the detection range can be set in four configurations: left, center, right, and a total of 12 spots. ● Two types of activation row settings are available to reduce unnecessary opening and closing of the automatic door due to cross traffic, contributing to energy-saving effects. ● The touch switch and infrared sensor are integrated, allowing for a switch between beam touch and infrared sensor with a single model. 【Recommended for such locations!】 ☑ Entrance facing a busy corridor ☑ Counter or sign near the door ☑ Buildings facing narrow corridors ☑ Buildings that prioritize aesthetics ☑ Hospitals and facilities that consider hygiene ☑ Large facilities with many doors ◎ For more details, please download the materials or contact us.

Mar 27, 2026

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[Information] Shirutoku Report No. 114 #Receiving Unit Wireless Standards

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The receiver section of the radio is designed to receive signals properly even when influenced by other radios used in the world, and standards have been established for this purpose, requiring designs that comply with these standards. This time, I will briefly discuss the wireless standards for the receiver section! 【Contents】 ■ Minimum reception sensitivity ■ Adjacent channel selectivity ■ Receiver intermodulation ■ Spurious response ■ Harmonic emission * For more details, please refer to the PDF document or feel free to contact us.

Mar 27, 2026

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  • リアルとデジタルの双方向から営業プロセスを改革 製造業の営業生産性を上げる!
  • 差し込むだけの施工性 ソケット式手摺 AR-Y 指紋が目立たない美しい仕上げ BEP
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