The Dayton Parts 13-1622R is a precision-forged, Grade 8 wheel lug stud designed for high-torque commercial vehicle applications. Manufactured from premium carbon steel, this serrated stud provides the dependable clamping force and structural integrity required for heavy-duty hub and drum assemblies.
Precision-manufactured for a secure, non-slip press-fit.
| Feature | Specification |
| Part Number | 13-1622R |
| Thread Size | 1 1/8-16 (Fine) |
| Thread Direction | Clockwise (Right) |
| Under Head Length | 3.1 in |
| Knurl Diameter | 1.247 in |
| Bolt Grade | Grade 8 |
| Material | Carbon Steel |
Thread Length: 1.51 in
Shoulder Length: 1.335 in
Shoulder Diameter: 1.22 in
Head Diameter: 1.5 in
Style: Serrated Stud (Round Shoulder)
Weight: 1.0 lbs
Finish: Black (Corrosion Resistant)
SAE Grade 8 Strength: Meets or exceeds SAE automotive industry standards for hardness and tensile strength, ensuring the stud resists stretching or shearing under maximum load.
Corrosion Protection: The black protective coating undergoes extensive salt spray testing, providing years of durability against road salt, moisture, and chemical exposure.
Rigorous Testing: Every stud is tensile tested through industry-standard proof-load testing to guarantee structural reliability and road safety.
Professional Quality: Backed by a team of engineers and quality control specialists in the United States to ensure consistent metallurgy and fitment.
The 13-1622R is a direct replacement for several widely used OEM and aftermarket part numbers:
| Brand | Part Number | Notes |
| Meritor | R005986R | Wheel Stud |
| Autocar | 904065012 | OEM Replacement |
| Webb | 188108 | Wheel Stud |
| Euclid | E-5986-R | Industry Ref |
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