PRODUCTS
4021MV ½” Drive Insulated Slotted Bit Socket | 1000V VDE
4021MV Series: 1/2″ Drive 1000V Insulated Slotted Bit Socket
- Douille isolée fendue
- Vaso aislado plano
- Isolierte Schlitz-Stecknuss
- Izolowana nasadka płaska
- مقبس معزول مشقوق
- ลูกบ๊อกซ์แบบฉนวน ปากแบน
- Soquete isolado de fenda
- Bussola isolata a taglio
- Geïsoleerde sleufdop
- Изолированная шлицевая головка
- 絶縁スロットソケット
- 절연 일자 소켓
- 絕緣一字套筒
- 绝缘一字套筒
- Szigetelt lapos dugókulcs
- Đầu tuýp dẹt cách điện
- İzole düz lokma
- VDE 1000V
- IEC 60900：2004
- Insulated Tools in Safety concern
- Understanding Bit Sockets: A Smart Combination of Power and Precision
Insulated Slotted Bit Socket (Model 4021MV) is a specialized high-voltage tool engineered for safe operation on live electrical systems. Designed for 1/2″ drive ratchets and torque wrenches, this socket is VDE-certified and tested to withstand up to 1000V AC. Whether you are servicing Electric Vehicle (EV) battery packs, solar inverters, or industrial control panels, the 4021MV provides the critical barrier needed to protect technicians from flashover and electric shock.
| 4021MV (mm) | T*W | L mm |  g |  pcs |
|---|---|---|---|---|
| 6 | 1.0*6 | 92 | 92 | 10 |
| 8 | 1.0*8 | 92 | 92 | 10 |
| 10 | 1.0*10 | 92 | 93 | 10 |
Feature
VDE-Certified Protection & S2 Steel Durability
The 4021MV Insulated Slotted Bit Socket is built to meet the most stringent international safety standards:
1000V AC Safety Rating: Individually tested and certified to IEC 60900 standards. The dual-color insulation layer acts as a visual safety gauge—if the red outer layer is damaged to reveal the yellow inner layer, the tool must be replaced.
Forged S2 Tool Steel Bit: Unlike standard sockets, the bit is manufactured from premium S2 steel for maximum hardness and torque. This ensures the slotted tip does not slip or “cam out,” which is vital when working near sensitive electrical components.
Impact-Resistant Insulation: The protective coating is injection-molded directly onto the socket body. This permanent bond ensures the insulation will not slide off or crack, even when used in extreme temperatures or high-vibration environments.
B2B Procurement & High-Voltage Applications
The Insulated Slotted Bit Socket 4021MV is a strategic asset for:
EV & Hybrid Vehicle Service: Safely removing and installing high-voltage battery housing bolts and terminal connectors.
Renewable Energy Maintenance: Servicing busbars and connection points in wind turbines and large-scale solar arrays.
Industrial Electrical Contracting: Working on live switchgear and distribution boards where de-energizing is not an option.
Frequently Asked Questions (B2B FAQ)
Is this socket compatible with standard 1/2″ drive ratchets? Yes. However, to maintain full 1000V insulation, it should ideally be paired with a Hans Tools Insulated Ratchet and extension bar to ensure there are no exposed metal paths to the hand.
Why is S2 steel used for the bit instead of Chrome Vanadium? S2 steel offers higher torsional strength and better resistance to brittle fracture. In electrical work, a snapped bit can fall into live equipment; S2 steel provides the reliability needed to prevent such accidents.
How should I store and maintain insulated sockets? Insulated tools should be kept clean of oil and moisture. Before each use, inspect the insulation for nicks or cuts. We recommend storage in a dedicated tool roll to prevent the insulation from being compromised by other sharp tools.
