Torque Head 3/8" drive, 6 point flare nut - Wrench

The Williams QJRXS12A is a 3/8" drive, 6-point flare nut torque head designed for interchangeable-head torque wrenches using the J-Shank (0.425") interface. This head allows precise torque application on flare-style fittings commonly used in HVAC, refrigeration, automotive, hydraulic, and industrial service.

Key Specifications

• Drive Size: 3/8"
• Style: 6-Point Flare Nut Head
• Shank Type: J-Shank (0.425")
• Max Working Torque: 29 ft-lbs
• Outside Diameter: 3/4"
• Head Depth: 5/16"

Features & Benefits

• Designed for interchangeable-head torque wrenches
• Fits Williams and CDI preset or adjustable torque bodies
• Quick-change locking-pin system for fast swaps
• Ideal for torque-critical flare fittings
• Prevents rounding with strong 6-point engagement
• Made in the USA (manufacturer listings confirm origin)