Torque Head 13 mm, 6 point flare nut - Williams

The Williams QJRXSM13A is a 13 mm, 6‑point flare nut torque head designed for interchangeable‑head torque wrench systems using the J‑shank (0.425") interface. This head provides precise engagement on flare‑style fittings while allowing accurate, repeatable torque when paired with CDI or Williams interchangeable‑head torque wrenches.

Key Specifications

• Size: 13 mm
• Style: 6‑Point Flare Nut
• Shank Type: J‑Shank (0.425”)
• Max Recommended Torque: 58 ft‑lbs
  
• Drive Type: Interchangeable torque‑head interface (not a standalone square drive)
• Weight: 0.1 lb
  

Features & Benefits

• Designed for CDI and Williams preset or adjustable interchangeable‑head torque wrenches
  
• Strong 6‑point contact reduces rounding on flare fittings
• Ideal for HVAC, refrigeration, hydraulic, and automotive line sets
• Quick‑change operation using the J‑shank locking system