Dorman’s 610-566 wheel studs are described with clear specs: 14.38 mm knurl, 43.5 mm length, carbon steel construction, sold in 10-packs. They fit many Scion, Subaru, and Toyota hubs, meet SAE strength standards, and passed a 72-hour salt spray for corrosion resistance. Installation requires correct hub press-fit and torque; replace damaged studs in sets. Want performance numbers and fitment tips to decide if these match your vehicle?
Key Takeaways
- Dorman 610-566 is an M12-1.25 serrated carbon steel wheel stud sold in a 10-pack for Scion, Subaru, and Toyota fitments.
- Built to SAE proof-load standards and USA quality control, delivering reliable strength for wheel mounting.
- Dimensions: 14.38mm knurl and 43.5mm length; verify knurl engagement and thread pitch before installation.
- 72-hour salt spray test indicates roughly three years of corrosion resistance under typical conditions.
- Installation requires cleaning the hub hole, proper press-fit seating, and torqueing to OEM specifications.
Product Specifications and Build Quality
The Dorman 610-566 M12-1.25 serrated wheel stud combines specific dimensions and engineered materials to meet common replacement needs for select Scion, Subaru, and Toyota models.
It lists a 14.38mm knurl, 43.5mm length, carbon steel construction, and 10-pack packaging.
How reliable is the build quality? Tested to SAE standards, proof-load verified, 72-hour salt spray for corrosion resistance, and U.S. quality control provide assurances.
What are the material specifications? Carbon steel, industry hardness and strength targets.
Practical considerations: confirm fit, note knurl size for hub press fit, assess corrosion exposure and service life expectations.
Vehicle Fitment and Installation Tips
How should a technician verify that the Dorman 610-566 M12-1.25 serrated wheel stud will fit a specific vehicle?
A technician performs compatibility checks, inputs make, model, trim into Amazon Garage, and measures existing stud: 14.38mm knurl, 43.5mm length.
Practical installation guidance follows: torque specs, seating depth, and corrosion prep.
- Confirm M12-1.25 thread pitch and 14.38mm knurl engagement
- Verify hub hole diameter and 43.5mm stud length clearance
- Inspect knurled hole for damage, clean and de-burr
- Use proper torque wrench, follow manufacturer torque values
- Recheck wheel runout after installation to ascertain safety
Performance, Durability, and Testing Results
Examine performance data and longevity indicators to judge whether the Dorman 610-566 M12-1.25 serrated wheel stud meets expectations for service use.
The parts, 14.38mm knurl, 43.5mm length, carbon steel construction, showed proof-load strength per SAE safety standards; 72-hour salt spray equates to ~3 years corrosion resistance.
14.38mm knurl, 43.5mm carbon steel studs meet SAE proof-loads; 72-hour salt spray suggests roughly three years corrosion resistance
What testing was done? Industry proof-load, engineered QC in USA.
How do users respond? Customer feedback cites reliable fitment on Scion, Subaru, Toyota, occasional fit verification notes.
Practical considerations: pack of 10, confirm trim compatibility, torque to OEM spec.
Conclusion: tested, durable, service-ready for regular use.
