QA1 JNL6S Steel Jam Nut 3/8-24 LH Thread 9/16" Hex

The QA1 Precision Products JNL6S is a high-quality steel jam nut designed for securing rod ends, tube adapters, and linkage components in automotive and racing applications. Featuring a 3/8-24 left-hand thread, this jam nut provides reliable locking capability to prevent loosening under vibration and stress.

Key Specifications:

• Thread Size: 3/8-24 left-hand (LH)
• Hex Size: 9/16" across flats
• Width: 7/32"
• Material: High carbon steel with protective coating
• Manufactured to reference ANSI B18.2.2-1972 standards

QA1's steel jam nuts are precision-machined from high carbon steel and finished with a protective coating for durability and corrosion resistance. The left-hand thread configuration is essential for applications where right-hand rotation could cause loosening. The 9/16" hex provides adequate wrench engagement for proper tightening and adjustment of suspension linkage, steering components, and custom fabrication projects.

Ideal for drag racing, street performance, off-road vehicles, and custom fabrication where precise adjustment and secure locking of threaded components is critical. Commonly used with QA1 rod ends, tube adapters, and linkage adjusters to complete suspension and steering assemblies.