These wheel lug studs are made of carbon steel and tested to demanding automotive industry standards to ensure strength, longevity and safety. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Dodge Ram 4500: 2010] - [Dodge Ram 5500: 2010] - [Ram 4500: 2011] - [Ram 5500: 2011] Durable material - carbon steel meets SAE automotive industry standards for strength and hardness Corrosion tested - 72-hour salt spray testing simulates three years of corrosion resistance Tensile tested - lug studs undergo industry-standard proof-load testing to ensure strength Trustworthy quality - backed by team of professional engineers and quality control specialists in the United States Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool UPC 885484696815 Brand Dorman Color Silver Model 610-613 Head Type Hex Size Name 9/16-18 Metal Type Carbon Steel Unit Count 1.0 Count Item Weight 2.17 Pounds Part Number 610-613 Thread Size 9/16-18 Thread Type Unf Grade Rating 10.9 Manufacturer Dorman Products Thread Style Right Hand Fastener Type Stud Bolt Item Hardness Grade 10.9 Material Type Carbon Steel Item Type Name 9/16 -18 Serrated Wheel Stud, 10 Pack Exterior Finish Machined Item Dimensions 3.6 x 2.4 x 2.19 inches Item Part Number 610-613 Number of Pieces 10 Screw Head Style Flat Manufacturer Grade Grade 8 8 Included Components 10 Studs Warranty Description Limited Lifetime Warranty Set Screw Thread Type Unified National (UN) [UNC or UNF] Maximum Shear Strength 400-600 MPa Compatible Groove Diameter 0.56 Inches Global Trade Identification Number 00885484696815