Ensure maximum clamping force and road safety with the Dayton Parts 13-1721. This Grade 8 metric wheel lug stud is engineered for heavy-duty hub assemblies that require a precise M22 thread pitch. Constructed from high-strength carbon steel, it is designed to withstand the extreme shear forces and rotational stress common in commercial transport.
This stud features a serrated neck for a secure, non-slip press-fit into the hub.
| Feature | Specification |
| Part Number | 13-1721 |
| Thread Size | M22-1.50 (Fine) |
| Thread Direction | Clockwise (Right) |
| Under Head Length | 114.3 mm (4.5 in) |
| Knurl Diameter | 31.52 mm (1.24 in) |
| Bolt Grade | Grade 8 |
| Material | Carbon Steel |
Thread Length: 2.83 in
Shoulder Length: 0.95 in (24.1 mm)
Shoulder Diameter: 30 mm
Head Diameter: 38.66 mm
Style: Serrated Stud (Round Shoulder)
SAE Standard Carbon Steel: Meets rigorous industry standards for hardness and tensile strength to prevent stretching or failure under heavy loads.
Corrosion Protection: The black finish undergoes extensive salt spray testing, ensuring the threads remain clean and functional even after years of exposure to road salt and moisture.
U.S. Engineered Quality: Tested and verified by professional engineers in the United States to ensure consistent metallurgy and dimensional accuracy.
Tensile Strength Verified: Every stud undergoes proof-load testing to guarantee it meets the safety requirements for heavy-duty vehicle operations.
The 13-1721 is a direct replacement for several high-performance industry alternatives:
| Brand | Part Number | Notes |
| Meritor | R008986 | Wheel Stud |
| Gunite | W1205 | Wheel Stud |
| Automann | 131.1721 | Industry Ref |
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