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  3. OHTA CO., LTD.
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Machine elements and parts
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OHTA CO., LTD.

Establishment24th Jan 1972
capital1000Ten thousand
number of employees96
addressTokyo/Mitaka-shi/5-1-36 Shimo-renjaku
phone0422-43-7850
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last updated:Mar 10, 2026
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~ ネジ製品の基礎知識~ ~ ネジ製品の基礎知識~
事業概要 ~ネジと精密機械加工のことならオータにお任せください~ 事業概要 ~ネジと精密機械加工のことならオータにお任せください~
表面処理技術 表面処理技術
リコイル リコイル
六角穴付きボルト 六角穴付きボルト
ゆるみ防止商品 ゆるみ防止商品
アイボルト アイボルト
樹脂ねじ 樹脂ねじ
基礎知識資料 基礎知識資料
ゴム製品 ゴム製品
いたずら防止ねじ いたずら防止ねじ
オータベトナム(OHTAVN) オータベトナム(OHTAVN)
ゆるみ防止商品

ゆるみ防止商品

当社で取り扱う「ゆるみ防止商品」をご紹介いたします。

Petal fastener

The world's first! Bolt and nut loosening and falling prevention spring.

Bolt and nut loosening, drop prevention spring. Can be easily installed using commercially available socket wrenches. Passed tests using an impact-type vibration testing machine compliant with NAS3350 standards. Available sizes range from M4 to M36. *For more details, please download the PDF or feel free to contact us.

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Smart Hyper Road Nut

Overwhelming performance! Ensures prevention of loosening and falling off.

The Smart Hyper Lock Nut is a next-generation locking nut designed to maintain reliable fastening even in high-vibration and high-load environments. Its unique "Hyper Load Mechanism" automatically equalizes axial force to prevent loosening. - Automatic Axial Force Correction Structure The internal spring cam absorbs minor displacements after fastening, maintaining optimal tightening force at all times. - High Vibration Resistance Achieves zero loosening even in high-vibration environments such as railways, construction machinery, and wind power generation. - Reusable Design Allows for repeated use due to surface treatment that minimizes wear and high-precision screw machining. - Easy Installation - Cost Reduction

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T-Spring

Just attach it to the excess length of the bolt! Solve nut loosening with the power of the spring.

The T-Spring is a high-performance anti-loosening fastener that can be "retrofitted" to existing bolt connections. After tightening the nut, simply insert it into the bolt's excess length to exhibit a powerful anti-loosening effect, maintaining fastening strength for a long time even in vibrating environments. - Retrofittable - Resistant to vibration (clears aviation standard tests) - No torque management required - Achieves low cost compared to anti-loosening nuts - Excellent corrosion resistance with SUS304

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  • 金属・化学・窯業・食品・医療品などのほぐし・解砕・ふるい分けがこれ一台 解砕機構付き佐藤式振動ふるい機 つばさ デモ実施中!
  • あなたの設計時間 CADに奪われていませんか? 制約から解放される新たな設計環境へ
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