3/8 Brushless Cordless Impact Wrench

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Product Overview The Wusen MD‑550 is a high-performance cordless impact wrench designed for DIY and light industrial users, offering impressive torque in a compact, lightweight pac kage. 🔧 Key Specifications Type: Cordless brushless impact wrench (square‑drive head) Rated Voltage: 16.8–21 V lithium‑ion battery Rated Power: ~500 W input Maximum Torque: Up to 300 N·m No‑Load Speed: 0–3,200 rpm (~1,500 IPM frequency) Drive Size: 3/8″ (square drive) – approximately 10 mm ⚙️ Design & Build Motor: Brushless design improves efficiency, power-to-weight ratio, and operational lifespan Power Source: Rechargeable lithium-ion battery (commonly 2–3 Ah, charger supports AC 100–240 V input Weight: Lightweight at ~0.85 kg, making it highly maneuverable in tight spaces Show more