| Attribute | Specification |
| Part Number | 13-1609L |
| Part Type | Wheel Lug Stud |
| Material | Carbon Steel |
| Bolt Grade | Grade 8 |
| Thread Size | 1 1/8"-16 |
| Thread Type | Fine |
| Thread Direction | Counterclockwise (Left) |
| Style | Serrated Stud |
| SAE or Metric | SAE |
| Color | Black |
| Weight | 1.260 lb |
| Selling Package Quantity | 2 |
| Package Contents | 10 Wheel Studs |
| Packaging Type | Bag |
These Dayton Wheel Lug Studs (Part Number 13-1609L) are constructed from high-strength carbon steel and undergo rigorous testing to demanding automotive industry standards, ensuring superior strength, longevity, and safety.
Crucially, these studs feature a Counterclockwise (Left-Hand) thread and a serrated style, designed for secure and reliable fitment in specific heavy-duty applications.
Durable Carbon Steel: Manufactured from high-strength carbon steel that meets SAE automotive industry standards for exceptional strength and hardness (Grade 8).
Left-Hand Thread (LH): Features a Counterclockwise thread direction with a 1 1/8"-16 fine thread, critical for specific axle applications.
Corrosion Resistant: Subjected to extensive salt spray testing to ensure robust protection against rust and environmental corrosion over years of use.
Tensile Tested: Lug studs undergo industry-standard proof-load testing to guarantee the necessary strength and safety under high-stress conditions.
Trustworthy Quality: Backed by a dedicated team of professional engineers and quality control specialists in the United States.
| Measurement | Imperial (SAE) | Metric (Approx.) |
| Thread Size | 1 1/8"-16 | - |
| Threads Per Inch | 16 | - |
| Thread Diameter | 1.115 in | - |
| Thread Length | 2.19 in | - |
| Under Head Length | 3.78 in | - |
| Head Diameter | 1.5 in | - |
| Knurl Diameter | 1.247 in | - |
| Shoulder Diameter | 1.22 in | - |
| Shoulder Length | 1.335 in | - |
| Shoulder Thickness | 1.22 in | - |
| Shoulder Shape | Round | Round |
| Quick-Start Nose | No | No |
This Dayton Wheel Lug Stud (13-1609L) is an equivalent replacement for the following common part numbers:
| Name | Part Number | Notes |
| Meritor | 20X587 | Wheel Stud |
| Meritor | R005985L | Wheel Stud |
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