Wheel Bolt - H&R - M14 x 1.25 - 31 mm
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Product Information
Full details
This guide is for vehicle owners and mechanics needing secure and reliable wheel fastening solutions. The H&R Wheel Bolt (M14x1.25, 31mm Shaft) offers a robust Grade 10.9 construction for enhanced safety and performance, ensuring your wheels are securely attached. A key consideration is ensuring compatibility with your specific vehicle's hub and wheel design.
All features
| Model Part Number | 14253103 |
|---|---|
| Brand | H&R |
Extended Product Information
FAQs
What does 'Quality/Grade 10.9' mean for this wheel bolt?
Grade 10.9 indicates a high-strength steel alloy, providing superior tensile strength and durability compared to lower grades. This ensures the bolt can withstand significant forces without deforming or failing.
How do I confirm if this M14x1.25 bolt is right for my car?
Check your vehicle's owner's manual or consult a professional mechanic. You need to confirm your vehicle's original equipment uses an M14x1.25 thread pitch and the appropriate wheel seat type (ball seat A/G).
What is the importance of the 'Ball seat A/G' specification?
The ball seat ensures the wheel is correctly centered on the hub and distributes stress evenly. Using the wrong seat type can lead to improper mounting, vibration, and potential damage.
Can I use a longer or shorter bolt than the 31mm shaft length?
It is strongly recommended to use the specified shaft length. A bolt that is too short will not engage enough threads, compromising security. A bolt that is too long may interfere with brake components or other parts behind the wheel hub.
What tools do I need to install these bolts?
You will need a socket or wrench that fits the 17mm spanner size of the bolt head. A torque wrench is essential for tightening the bolts to the correct specification.
Does 'Registration not compulsory' affect my vehicle's legality?
This typically means the part meets general safety standards and does not require specific individual registration or type approval for use on vehicles in most regions. Always adhere to local automotive regulations.
Troubleshooting
Bolt will not thread correctly
Ensure you are using the correct thread pitch (M14x1.25) and that the wheel hub threads are clean and undamaged. Try threading by hand first.
Wheel does not sit flush
Verify that the shaft length (31mm) and ball seat radius (A/G) are compatible with both your wheel and vehicle hub. Incorrect specifications can prevent proper seating.
Difficulty tightening the bolt
Ensure you are using the correct 17mm spanner size tool and that the bolt threads are clean and lubricated (if recommended by manufacturer). Do not force the bolt.
Signs of corrosion or damage on bolts
Replace damaged or corroded bolts immediately to ensure safety. Clean lightly corroded bolts with a wire brush and mild degreaser, but replace if integrity is compromised.
Pros and Cons
Pros
- High tensile strength (Grade 10.9) for maximum safety and reliability.
- Precise thread pitch (M14x1.25) ensures secure fitment.
- Durable metal construction for long-lasting performance.
- Ball seat design for proper wheel alignment and reduced stress.
Cons
- Specific thread size (M14x1.25) limits compatibility to certain vehicles.
- Shaft length (31mm) may not be suitable for all wheel and hub combinations.
- Requires specific spanner size (17mm), necessitating the correct tool.
- Requires user to verify compatibility before purchase.
Setup, Compatibility & Care
Setup:
- Verify the thread size (M14x1.25) and shaft length (31mm) match your vehicle's requirements and wheel specifications.
- Ensure the wheel has a compatible ball seat (A/G) for this bolt.
- Clean the wheel hub and the mating surface of the wheel.
- Thread the bolts in by hand to avoid cross-threading.
- Use a torque wrench set to the manufacturer's specified torque value for your vehicle. Typically, a 17mm spanner size is required.
Compatibility:
- This bolt is compatible with vehicles requiring M14x1.25 thread pitch and a ball seat (A/G).
- Always confirm compatibility with your vehicle's make, model, year, and specific wheel manufacturer's recommendations before installation.
- Check the required shaft length for your specific wheel design; a 31mm shaft is suitable for wheels with a specific hub depth.
Care:
- Regularly inspect bolts for any signs of wear, damage, or corrosion.
- Clean bolts with a mild degreaser and a brush if they become dirty.
- Ensure bolts are re-torqued periodically, especially after initial installation or tire rotation.