500Nm Impact Wrench WACTEC WT20-W500A

For lighter maintenance work, the 350Nm cordless impact wrench may be a more compact option. For heavy-duty repair and machinery service, buyers can also choose the 1000Nm Impact Wrench.

500Nm Impact Wrench

Opening Buyer Scenario

When buyers ask about a 500Nm impact wrench, the first concern is rarely just the maximum torque number. The real question is whether the tool can keep that torque stable across repeated use, bulk shipments, and tough jobsite conditions.

The WACTEC WT20-W500A is designed for buyers who need more than a powerful specification sheet. It is a 20V brushless cordless impact wrench built for distributors, wholesalers, automotive tool suppliers, and professional users who care about torque consistency, battery runtime, and long-term reliability.

Engineering Excellence of This 500Nm Impact Wrench

The WT20-W500A uses a brushless motor system with a 4815 motor size, giving this 500Nm impact wrench a strong balance between torque output, efficiency, and thermal control. Compared with traditional brushed motors, a brushless motor reduces friction inside the drive system. Less friction means less heat. Less heat means more stable power delivery during longer working sessions.

This matters in real use. A tool may perform well in a short test, but buyers know the real challenge starts when the product is used repeatedly in workshops, garages, construction sites, and maintenance teams. The WT20-W500A is built to support that kind of daily use.

The 3-speed torque control is one of the most practical features of this model. Instead of giving users only one aggressive output level, the tool provides 300 / 400 / 500 N·m torque settings. This allows operators to match the output to the application. For lighter fastening, the lower setting helps reduce the risk of stripped threads or damaged bolts. For heavier work, the 500 N·m setting provides the power needed for demanding fastening and loosening tasks.

The no-load speed reaches 0–2,500 rpm, giving users enough speed for fast fastening while maintaining good control. The impact rate reaches 2,800 / 2,900 / 3,300 bpm, helping the tool deliver efficient impact energy under load. For a professional 500Nm impact wrench, this balance between speed, torque, and impact frequency is important because buyers are not only looking for raw power. They need usable power.

The 1/2″ square drive is compatible with common impact sockets used in automotive and industrial maintenance. This makes the WT20-W500A easy to position in existing product ranges for tool distributors, especially for markets where automotive service tools and cordless power tools are sold together.

Jobsite Performance and Real Working Value

On the jobsite, a cordless impact wrench must perform under pressure. It may be used for wheel service, metal structure assembly, machinery maintenance, equipment repair, and general fastening work. In these situations, operators need a tool that delivers strong torque without becoming difficult to control.

The WT20-W500A is designed as a practical 500Nm impact wrench for heavy-duty users who need both power and portability. The 20V cordless platform gives users freedom from power cables, making it suitable for workshops, outdoor maintenance, and mobile repair applications. When paired with two 20V 4.0Ah Li-ion battery packs, users can rotate batteries during the day and reduce downtime.

The three torque levels make the tool easier to adapt to different tasks. For example, 300 N·m can be used for moderate fastening work, 400 N·m for stronger assembly tasks, and 500 N·m for demanding loosening or heavy fastening. This is especially useful for professional users who do not want one tool to behave too aggressively in every situation.

The high impact rate also improves work efficiency. When loosening stubborn bolts, impact frequency helps transfer repeated force into the fastener. When fastening, it helps speed up the process while reducing the physical effort required from the operator.

For importers and wholesalers, these details matter because end users judge tools by real work performance, not just by catalog numbers. A 500Nm impact wrench that feels stable, easy to control, and powerful enough for daily repair work is easier to sell, easier to demonstrate, and easier to support after purchase.

Supply Chain and Quality Control

For B2B buyers, product consistency is often more important than one sample performing well. A distributor needs the first batch and the fifth batch to feel the same. A wholesaler needs fewer after-sales complaints. A retailer needs customers to trust the product after real use.

WACTEC focuses on stable production, controlled assembly, and batch-level inspection. The WT20-W500A is produced with attention to motor performance, battery output, switch control, torque stability, and final packing condition. Each batch can be checked through practical testing procedures such as no-load running tests, torque verification, battery charging checks, and general safety inspection before shipment.

The included battery packs are designed for international power tool distribution. Battery systems comply with UN38.3 transportation and IEC62133 safety standards, helping support safe shipping and reliable performance in global markets.

For cordless tools, battery quality is closely connected to the user experience. Weak batteries can cause power drop, overheating, poor runtime, and higher complaint rates. That is why this kit includes two 20V 4.0Ah Li-ion battery packs, giving the product stronger value for professional buyers and better usability for end users.

The 2.0A fast charger also supports practical daily use. For distributors, this full-kit configuration makes the product easier to sell as a ready-to-use professional package instead of a bare tool that requires additional matching accessories.

B2B Commercial Advantage

The WT20-W500A is not only a tool. It is a product option for buyers who need a competitive cordless impact wrench range with clear specifications and complete packaging.

For B2B cooperation, WACTEC can support flexible purchasing needs, including bulk orders, OEM branding, private label packaging, color coordination, user manual customization, and market-specific packaging layouts. This makes the WT20-W500A suitable for importers, wholesalers, supermarket tool sections, hardware chains, and regional tool brands.

Typical commercial support may include:

• MOQ: Flexible according to market and customization requirements
• OEM / ODM: Logo, color, packaging, and specification customization available
• Battery Platform: 20V cordless system suitable for multi-tool product planning
• Packing Support: Plastic carrying case included for better retail presentation
• Spare Parts Support: Long-term parts supply for after-sales maintenance
• Lead Time: Stable production planning for repeat orders and seasonal demand

For buyers building a cordless power tool line, this 500Nm impact wrench can be positioned as a higher-torque model for automotive repair, garage users, and professional maintenance customers. It pairs well with cordless drills, impact drivers, angle grinders, and rotary hammers in the same 20V platform.

Risk Reduction – Why Buyers Choose WT20-W500A

Many buyers have seen cordless tools with attractive torque claims but unstable real-world performance. Common problems include overheating, weak battery output, inconsistent torque, loose internal assembly, and limited after-sales support.

The WT20-W500A is designed to reduce these risks through a brushless motor system, 3-speed torque control, a complete 20V 4.0Ah battery kit, and a professional 1/2″ square drive structure. Instead of relying only on one high torque number, this 500Nm impact wrench gives users controlled power across different working conditions.

For distributors, that means fewer complaints. For end users, it means better working confidence. For long-term partners, it means a product that can fit into a serious cordless tool program, not just a one-time promotional order.

Specifications

Set Includes

• 2 × 20V 4.0Ah Li-ion Battery Packs
• 1 × 2.0A Fast Charger
• 1 × Plastic Carrying Case

FAQ

Q1: What is the torque range of this 500Nm impact wrench?

The WT20-W500A offers three torque settings: 300 / 400 / 500 N·m. This allows users to choose lower torque for controlled fastening and maximum torque for heavier work.

Q2: Is this cordless impact wrench suitable for automotive repair?

Yes. With 500 N·m max torque, a 1/2″ square drive, and up to 3,300 bpm impact rate, it is suitable for automotive repair, workshop maintenance, and general heavy-duty fastening tasks.

Q3: What does the kit include?

The standard kit includes 2 × 20V 4.0Ah Li-ion battery packs, 1 × 2.0A fast charger, and 1 × plastic carrying case.

Q4: Do you support OEM or private label orders?

Yes. WACTEC supports OEM and ODM cooperation, including logo printing, packaging design, color adjustment, and market-specific product configuration.

Q5: What is the typical lead time for bulk orders?

Lead time usually depends on order quantity and customization requirements. For standard production, buyers can contact WACTEC for a confirmed production schedule and quotation.