Insulated T-Handle Socket Wrench Set Cr-V Steel High Voltage Resistant Electrician Tool

Premium insulated T-handle socket wrenches forged from Cr-V steel with high voltage resistant handles. Sizes 8-19mm with 200mm & 300mm lengths. Ideal for electrical maintenance and live work. OEM available. Factory direct wholesale pricing.

Product Description

Our insulated T-handle socket wrenches are forged from premium Cr-V steel with precision heat treatment, delivering exceptional strength, toughness and long-lasting durability. The handle is crafted from high voltage resistant, freeze-resistant and flame-retardant insulating material to effectively prevent electric shock hazards and ensure operator safety. The T-handle design provides greater torque output for effortless and efficient operation. Covering sizes from 8mm to 19mm with 200mm and 300mm handle lengths, these tools meet diverse job requirements — ideal for electrical maintenance, power installation and equipment repair applications.

Product Features

  1. Cr-V Steel Forging: Forged from high-quality chrome vanadium steel with through-hardening and tempering, offering superior hardness, high torque capacity, excellent impact resistance and much longer service life than ordinary carbon steel tools
  2. High Voltage Insulated Handle: Made of high voltage resistant, freeze-resistant and flame-retardant insulating material with reliable dielectric performance, effectively protecting operators from electric shock hazards
  3. T-Handle Design: The T-shaped structure provides a longer lever arm and greater torque output, making fastener tightening easier and boosting work efficiency
  4. Wide Size Range: Covers 9 common hex sizes — 8mm, 10mm, 12mm, 13mm, 14mm, 16mm, 17mm, 18mm and 19mm — meeting the vast majority of bolt and nut assembly and disassembly needs
  5. Two Handle Lengths: Available in 200mm and 300mm handle lengths; the shorter version works well in tight spaces while the longer version delivers greater torque and reach
  6. Precision Machining: Precision-ground socket interior ensures a tight fit with bolts, reducing slipping and preventing damage to fastener corners
  7. Anti-Corrosion Surface: Treated with anti-rust surface coating for excellent corrosion resistance, suitable for various harsh working environments
  8. Ergonomic Design: Comfortable grip reduces hand fatigue during extended use, enhancing overall operating experience

Specifications

Item No. Size Box Qty Carton Qty Unit Weight Gross Weight
W40408 8×200mm 6pcs 36pcs 0.25kg 9.50kg
W40410 10×200mm 6pcs 36pcs 0.29kg 10.94kg
W40412 12×200mm 6pcs 36pcs 0.31kg 11.66kg
W40413 13×200mm 6pcs 36pcs 0.31kg 11.66kg
W40414 14×200mm 6pcs 36pcs 0.31kg 11.66kg
W40416 16×200mm 6pcs 36pcs 0.33kg 12.38kg
W40417 17×200mm 6pcs 36pcs 0.33kg 12.38kg
W40418 18×200mm 6pcs 36pcs 0.38kg 14.18kg
W40419 19×200mm 6pcs 36pcs 0.36kg 13.46kg
W40428 8×300mm 6pcs 36pcs 0.34kg 12.74kg
W40430 10×300mm 6pcs 36pcs 0.35kg 13.10kg
W40432 12×300mm 6pcs 36pcs 0.38kg 14.18kg
W40433 13×300mm 6pcs 36pcs 0.40kg 14.90kg
W40434 14×300mm 6pcs 36pcs 0.40kg 14.90kg
W40436 16×300mm 6pcs 36pcs 0.41kg 15.26kg
W40437 17×300mm 6pcs 36pcs 0.43kg 15.98kg
W40438 18×300mm 6pcs 36pcs 0.46kg 17.06kg
W40439 19×300mm 6pcs 36pcs 0.46kg 17.06kg

Key Features:

  • Material: Cr-V Steel
  • Handle Material: High voltage, freeze & flame resistant insulating material
  • Type: Insulated T-Handle Metric Hex Socket Wrench
  • Size Range: 8-19mm
  • Handle Length: 200mm / 300mm

Application Scenarios

  • Power Industry: Substation maintenance, distribution line servicing, electrical equipment installation and commissioning for live or near-live work
  • Industrial Maintenance: Factory machinery repair, production line maintenance, motor and control panel disassembly and servicing
  • Construction: Building electrical installation, distribution box wiring, lighting system setup and commissioning
  • Automotive Repair: Vehicle electrical system maintenance, battery connections, in-car appliance installation
  • Home Appliance Repair: Internal circuit repair of household appliances, socket and switch replacement — any scenario requiring insulated protection
  • Telecommunications: Telecom base station maintenance, signal tower equipment installation and servicing
  • Railway & Aviation: Rail transit electrical maintenance, aviation ground equipment inspection and repair
  • DIY Enthusiasts: Home circuit repair, appliance installation and other tasks requiring insulated tools for safety

Why Choose Us

  1. Professional Tool Manufacturer: With years of dedicated experience in hand tool R&D and manufacturing, we operate a comprehensive production system with rigorous quality control processes. Our products are exported to numerous countries and regions worldwide.
  2. Strict Quality Testing: Every insulated tool undergoes stringent voltage withstand testing and quality inspection to ensure reliable insulation performance, with a 100% pass rate before shipment.
  3. Comprehensive Product Range: Our complete insulated tool lineup includes wrenches, pliers, screwdrivers, cable cutters and more, offering customers one-stop procurement convenience.
  4. Premium Raw Materials: We use high-grade Cr-V steel and other top-quality raw materials to guarantee product quality from the source — delivering over 30% longer service life compared to standard tools.
  5. Customization Services: We offer OEM/ODM services tailored to customer needs, including custom brand logos, product specifications and packaging options.
  6. Fast Response Service: Our professional foreign trade team provides 24/7 rapid response, ensuring prompt answers to customer inquiries and efficient order processing.
  7. Reliable Supply Capacity: With a large production base and ample inventory, we guarantee on-time delivery even for bulk orders — keeping your sales cycle on track.
  8. Competitive Pricing: Factory-direct supply eliminates middlemen, offering customers more competitive prices and higher profit margins.

FAQ

Q1: What is the insulation rating of these T-handle insulated socket wrenches? What voltage can they withstand?

A: Our insulated T-handle socket wrenches are made with high-voltage resistant insulating material and have undergone rigorous testing. They are suitable for most low and medium voltage live working scenarios. We recommend verifying the insulation rating against your actual working voltage before use and always following relevant safety operating procedures.

Q2: What’s the difference between 200mm and 300mm handle lengths? Which should I choose?

A: The 200mm shorter handle is ideal for working in tight, confined spaces and is more portable. The 300mm longer handle delivers greater torque output and extended reach, making it better for tasks requiring more force or deeper access. Choose based on your typical work environment — or consider both to cover different scenarios.

Q3: What sizes are included? Can I buy individual sizes?

A: We offer 9 sizes — 8mm, 10mm, 12mm, 13mm, 14mm, 16mm, 17mm, 18mm and 19mm — each available in both 200mm and 300mm handle lengths. Every size can be purchased individually, or you can create custom sets. Please contact our sales team for details.

Q4: Can the insulated handle be cleaned with water? Will it affect insulation performance?

A: Yes, you can wipe it clean with a damp cloth and mild detergent. Avoid using harsh corrosive chemical solvents, as these may damage the insulating layer. Always inspect the insulated handle for cracks or damage before each use — discontinue use immediately and replace if any damage is found.

Q5: Do you offer OEM branding? What’s the minimum order quantity?

A: Yes, we offer OEM services with custom brand logos on products and packaging. MOQ varies depending on the product and process requirements. Please contact our foreign trade team for detailed quotes and lead times.

Q6: How does this wrench differ from a regular T-handle socket wrench?

A: The main difference is insulation protection. Standard T-handle socket wrenches have no insulation and cannot be used for live electrical work. Our insulated T-handle socket wrenches feature high-voltage resistant handles designed specifically for electricians and electrical work, effectively preventing electric shock hazards. Additionally, our Cr-V steel forged construction provides far greater strength and durability than ordinary carbon steel tools.