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SKU: JNR4S | UPC: 806990010612
QA1 Jam Nut - 1/4-28 Right Hand - 7/16in Hex 5/32in Wide - Steel
QA1 JNR4S jam nut delivers precise 1/4-28 right hand threading in a compact 7/16in hex design for automotive performance applications including circle track racing drag racing and street performance builds. This steel component locks rod ends spherical bearings and linkages securely to maintain alignment under high stress. High carbon steel construction with protective coating ensures durability in demanding motorsports environments.
Key Features
- 1/4-28 Right Hand Threads: Matches standard QA1 rod ends for exact fit and reliable thread engagement preventing loosening during operation
- 7/16in Hex Head: Provides firm grip for standard wrenches enabling quick installation and adjustments on suspension components
- 5/32in Width: Thin profile allows tight spacing in crowded linkage assemblies without compromising strength
- High Carbon Steel Build: Delivers robust tensile strength with protective zinc plating to resist corrosion in harsh racing conditions
- ANSI B18.2.2-1972 Compliant: Meets industrial standards for consistent quality and interchangeability across performance hardware
Product Notes
- Pair with QA1 rod ends like 1/4-28 series for complete suspension linkage setups
- Apply thread locker for high vibration applications to enhance hold
- Lightweight design ships in protective poly bag inside small cardboard box
Installation Notes
- Professional installation recommended.
- Torque to 10-15 ft-lbs depending on application to avoid thread damage
- Compatible with all 1/4-28 right hand threaded rod ends and heim joints
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Performance Vehicles | Circle Track Drag Street Rod |
| Universal | All | Racing Suspension | Rod Ends Linkages |
| Universal | All | Custom Builds | Spherical Bearings |
Why Choose QA1?
- Leaders in rod ends spherical bearings and performance suspension since 1993
- American-made in 83,000 sq ft Lakeville MN facility for consistent quality
- Innovators in carbon fiber driveshafts and motorsports hardware
Frequently Asked Questions
-
Q: What rod ends does this jam nut fit?
A: Designed for all QA1 and compatible 1/4-28 right hand thread rod ends heim joints and spherical bearings in racing suspension -
Q: What material and finish are used?
A: High carbon steel body with zinc plating for corrosion resistance and long service life in performance environments -
Q: Is there a warranty on this jam nut?
A: Covered by QA1 limited lifetime warranty against manufacturing defects when used in recommended applications
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: 2in x 2in x 1in poly bagged box
- Weight: 0.02 lbs
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