AT400 3/4" Drive Pneumatic Torque Wrench (67–400 ft-lb)
Category: All Products, Home page, Pneumatic Tools
The AT400 3/4" Drive Pneumatic Torque Wrench from Taurus Specialty Tools delivers precise, repeatable torque for demanding industrial applications. With a torque range of 67–400 ft-lb (91–542 N·m) and ±5% accuracy, it ensures controlled fastening and reliable performance for critical bolting tasks.
Built with the Following Key Features:
Built with a 3/4" Square Drive: Compatible with industrial sockets for accurate torque delivery.
Built with a Wide Torque Range: 67–400 ft-lb (91–542 N·m) output meets diverse fastening requirements.
Built with High Accuracy: ±5% torque precision ensures repeatable, controlled results.
Built with Continuous Rotation and Reversible Operation: Smooth tightening and loosening for efficient repetitive tasks.
Built with a High-Efficiency Pneumatic Motor: Provides consistent power for reliable industrial performance.
Built with a Durable Precision-Machined Gearbox: Engineered for long-lasting operation in demanding conditions.
Built with a Compact, Ergonomic Design: Reduces operator fatigue and enhances handling in confined spaces.
Built for Harsh Environments: Resistant to dust, vibration, and extreme temperatures for dependable performance on-site.
Backed by a 2-Year Warranty: Offers additional confidence in long-term reliability.
Applications
Ideal for power generation and energy plants, oil and gas facilities, heavy machinery maintenance, industrial manufacturing, and construction or structural assembly projects.
Why Choose the AT400
The AT400 combines precise torque control, ergonomic comfort, and rugged durability, making it the ideal solution for technicians performing critical industrial fastening tasks.




