Dorman Autograde Hex Lock Nuts with Nylon Ring Grade 2 Thread Size 1/2-20 for Automotive Repair 251-014
Dorman Autograde Hex Lock Nuts with Nylon Ring Grade 2 Thread Size 1/2-20 for Automotive Repair 251-014
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In-stock orders are processed within 48 hours; transit time is additional.
International orders include export processing and customs clearance. Duties, taxes and brokerage are extra; final freight charges may change after remeasurement.
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Need help with a return? Request authorization within 30 days of delivery for eligible unused, uninstalled items. See details for exclusions and applicable fees.
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Request return authorization (RMA) within 30 days of delivery for eligible items. Keep items unused and uninstalled, with original packaging and accessories. Electronics, liquids, special orders and other categories are excluded.
Email sales@frsport.com with RETURN and your order number in the subject to request an RMA. Please wait for return authorization before sending your item back.
Wrong part/size or change of mind: a 20% return processing fee applies, plus applicable shipping costs.
Original shipping is non-refundable. For orders shipped free, the actual outbound shipping cost is deducted from the refund. Return shipping is prepaid by the customer.
After payment capture, cancellations and refunds generally incur a 5% processing fee, except for our error, confirmed defects or confirmed carrier loss. The 5% and 20% fees do not stack; only the greater applicable fee applies. Store credit waives the 5% fee, but applicable return fees remain.
Missing, incorrect or transit-damaged items: report within 3 business days of receipt with photos of the product and packaging.
For defective items, contact us for help with the manufacturer's warranty process. The manufacturer decides the claim.
Hex lock nuts with nylon ring grade 2 thread size 1/2-20 used to replace worn or missing fasteners in automotive assemblies.
Built to meet the manufacturer's design intent for reliable service, these nuts are manufactured using durable materials and corrosion tested to ensure required strength and longevity.
Key Features
- Hex lock design with integrated nylon ring for vibration resistance
- Grade 2 classification suitable for general automotive applications
- Thread size 1/2-20 inches for precise fitment
- Corrosion tested to withstand harsh underhood environments
- Engineered by professional engineers and quality control specialists in the United States
- Compatible with various OEM part numbers including Papco 109-022 and Rockford NIN-28
Benefits
- Prevents loosening caused by engine vibration and road shock
- Restores factory-level security to critical bolted connections
- Durable construction reduces the risk of repeat repairs
- Direct-fit replacement ensures smoother installation without modification
- Bulk 50-piece pack provides ample supply for multiple repair jobs
- Trusted quality helps maintain vehicle safety and reliability
Application
Ideal for mechanics and DIY enthusiasts needing reliable locking fasteners for suspension, engine, or chassis repairs where standard nuts fail to stay tight.
Fitment Notes
- Universal automotive application for 1/2-20 threaded studs and bolts
- Verify thread pitch and diameter against original hardware before installation
- Compatible with systems requiring Grade 2 strength specifications
Why Choose Dorman?
- Choosing Dorman aftermarket replacement parts is a smart way to restore your vehicle with confidence, thanks to a strong focus on fit, durability, and dependable performance.
What's in the Box
- 50 Piece bulk pack of hex lock nuts
Item Dimensions
- Package measures 4.9 inches x 3.7 inches x 2.2 inches
- Total package weight is 2.2 lbs
