The Dayton Parts 13-7030 is a high-strength, double-ended stud specifically designed for securing drive axle flanges. Forged from premium carbon steel and heat-treated to Grade 8 standards, this stud is built to handle the extreme torque and shearing forces found in heavy-duty commercial drivetrains. Every stud undergoes rigorous tensile testing and extensive salt-spray evaluation to ensure it meets SAE automotive standards for strength, longevity, and corrosion resistance.
Grade 8 Carbon Steel: Meets strict SAE standards for hardness and tensile strength, providing a high safety margin for heavy loads.
Corrosion Protection: The gray finish is tested via industrial salt spray standards to protect against rust and road chemicals.
Dual-Thread Utility: Engineered with a coarse thread end (5/8-11) for the axle housing and a fine thread end (5/8-18) for the flange nut.
Double-Ended Style: Without a knurl, this stud is designed for threaded-hole applications in driven axle housings.
Proven Quality: Backed by a US-based team of engineers and specialized quality control.
| Attribute | Specification |
| Part Type | Double Ended Stud |
| Thread Size A (Coarse) | 5/8" - 11 |
| Thread Size B (Fine) | 5/8" - 18 |
| Thread Direction | Clockwise (Right Hand) |
| Thread Lengths | 0.75 in (Coarse) / 1.00 in (Fine) |
| Thread Diameter | 0.625 in |
| Material / Grade | Carbon Steel / Grade 8 |
| Color/Finish | Gray |
This stud is widely used across various heavy-duty platforms as a direct replacement for:
Euclid: E-7030
Meritor: R007030
Automann: 201.1208
BWP: M-3210
Applications: Commonly found in drive axle assemblies for Freightliner, Kenworth, Peterbilt, and Mack trucks where a 5/8" drive flange stud is required.
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