The Dayton Parts 13-1626R is a precision-engineered, Grade 8 wheel lug stud designed for heavy-duty commercial vehicles. Forged from high-strength carbon steel, this serrated stud provides the dependable clamping force and structural integrity required for high-torque hub and drum assemblies.
| Feature | Specification |
| Part Number | 13-1626R |
| Thread Size | 1 1/8-16 (Fine) |
| Thread Direction | Clockwise (Right) |
| Under Head Length | 3.62 in |
| Knurl Diameter | 1.247 in |
| Bolt Grade | Grade 8 |
| Material | Carbon Steel |
Thread Length: 2.0 in
Shoulder Length: 1.335 in
Shoulder Diameter: 1.22 in
Head Diameter: 1.5 in
Style: Serrated Stud (Round Shoulder)
Weight: 1.24 lbs
Finish: Black (Corrosion Resistant)
SAE Grade 8 Strength: Manufactured to meet or exceed 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.
U.S. Engineering: Backed by a team of professional engineers and quality control specialists in the United States to ensure consistent metallurgy and fitment.
The 13-1626R is a direct replacement for several widely used OEM and aftermarket part numbers:
| Brand | Part Number | Notes |
| Budd | 100017 | Wheel Stud |
| Meritor | R006033R | Wheel Stud |
| Webb | 100170 | Wheel Stud |
| Euclid | E-6033-R | Industry Ref |
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