Supporting Stable Screw Fastening: Vessel Launches New 'Torque Bit Holder' to Reduce Risks of Over- and Under-Tightening for its Den-dora Ball Screwdrivers
On June 2, 2026, Vessel Co., Ltd. will begin shipping the 'Torque Bit Holder,' a new product for managing screw tightening torque at electrical work sites. Attachable to the company's popular 'Den-dora Ball' series, it idles when the set torque is reached to prevent over-tightening. This achieves uniform work quality independent of operator skill, enhancing equipment safety and reliability.
📋 Article Processing Timeline
- 📰 Published: May 25, 2026 at 19:00
- 🔍 Collected: May 25, 2026 at 10:31
- 🤖 AI Analyzed: May 26, 2026 at 05:10 (18h 38m after Collected)
Vessel Co., Ltd. (Headquarters: Osaka, Japan; President: Yuichi Taguchi) will begin shipping its new 'Torque Bit Holder,' a tool designed to support the screw tightening torque management required at electrical construction sites, from June 2, 2026.
This bit holder is a torque management accessory that can be attached to Vessel's Den-dora Ball series, interchangeable handles, and drill drivers rated 7.2V or less and 250rpm or lower. When the preset torque for each screw size is reached, it 'clicks' and idles, preventing over-tightening. This supports stable screw fastening that is less susceptible to variations in individual worker's force.
The lineup includes five individual models for M3, M3.5, M4, M5, and M6 screws, as well as a five-piece set. It is intended for use in electrical work where screw-tightening quality is critical for safety and equipment reliability, such as in distribution boards, terminal blocks, and electricity meters.
■ Development Background
At electrical work sites, inconsistencies in manual tightening could lead to risks such as terminal block damage, poor wire contact, or burnout. Furthermore, dedicated torque management tools were often expensive and heavy. In response to this feedback, Vessel developed this product as an easy-to-use adapter that can be retrofitted to commonly used tools.
■ Integration with 'Den-dora Ball®'
By combining it with Vessel's rechargeable ball-grip electric screwdriver series, which has sold over 2 million units, users can perform simple torque management while utilizing their regular tools.
■ Product Features
1. **Idles at Set Torque**: After reaching the set torque, fastening is completed with four clicks (a rotation of about 45 degrees), enabling work with minimal movement.
2. **Slide Sleeve Mechanism**: A secure slide sleeve holds the bit firmly, preventing it from dropping even when working in tight spaces.
3. **High Durability**: The tool is rated for 10,000 uses (with 4 clicks counted as one fastening operation), suitable for daily professional use.
4. **Broad Compatibility**: It can be used not only with the Den-dora Ball series and interchangeable handles but also with drill drivers rated 7.2V or less and 250rpm or lower.
5. **Five Size Options**: The lineup covers five key sizes: M3, M3.5, M4, M5, and M6. Recommended torque values are printed on the packaging for easy selection based on the application.
This bit holder is a torque management accessory that can be attached to Vessel's Den-dora Ball series, interchangeable handles, and drill drivers rated 7.2V or less and 250rpm or lower. When the preset torque for each screw size is reached, it 'clicks' and idles, preventing over-tightening. This supports stable screw fastening that is less susceptible to variations in individual worker's force.
The lineup includes five individual models for M3, M3.5, M4, M5, and M6 screws, as well as a five-piece set. It is intended for use in electrical work where screw-tightening quality is critical for safety and equipment reliability, such as in distribution boards, terminal blocks, and electricity meters.
■ Development Background
At electrical work sites, inconsistencies in manual tightening could lead to risks such as terminal block damage, poor wire contact, or burnout. Furthermore, dedicated torque management tools were often expensive and heavy. In response to this feedback, Vessel developed this product as an easy-to-use adapter that can be retrofitted to commonly used tools.
■ Integration with 'Den-dora Ball®'
By combining it with Vessel's rechargeable ball-grip electric screwdriver series, which has sold over 2 million units, users can perform simple torque management while utilizing their regular tools.
■ Product Features
1. **Idles at Set Torque**: After reaching the set torque, fastening is completed with four clicks (a rotation of about 45 degrees), enabling work with minimal movement.
2. **Slide Sleeve Mechanism**: A secure slide sleeve holds the bit firmly, preventing it from dropping even when working in tight spaces.
3. **High Durability**: The tool is rated for 10,000 uses (with 4 clicks counted as one fastening operation), suitable for daily professional use.
4. **Broad Compatibility**: It can be used not only with the Den-dora Ball series and interchangeable handles but also with drill drivers rated 7.2V or less and 250rpm or lower.
5. **Five Size Options**: The lineup covers five key sizes: M3, M3.5, M4, M5, and M6. Recommended torque values are printed on the packaging for easy selection based on the application.
FAQ
ベッセルの新製品「トルクビットホルダー」とは何ですか？
「トルクビットホルダー」は、ベッセルの電ドラボールシリーズなどの電動ドライバーに取り付けて使用するトルク管理ツールです。設定されたトルクに達すると空転し、ネジの締めすぎを防ぎます。
この製品はどのような問題を解決しますか？
電気工事現場で発生しがちな、作業者の力加減によるネジ締めのばらつきを解消します。締めすぎによる部品破損や、締め不足による接触不良・焼損などのリスクを低減し、安全性と信頼性を高めます。
「トルクビットホルダー」の発売日はいつですか？
2026年6月2日より出荷が開始されます。
どのような工具で使用できますか？
ベッセルの電ドラボールシリーズ、差替ハンドル、および7.2V以下・250rpm以下のドリルドライバーで使用可能です。
製品のラインアップと耐久性は？
M3、M3.5、M4、M5、M6の5種類のサイズがあり、それぞれ単品または5本セットで提供されます。使用可能回数は10,000回（4クリック＝1回作業）で、高い耐久性を持ちます。