These wheel lug studs are made of carbon steel and tested to demanding automotive industry standards to ensure strength, longevity and safety.

M14-1.50 Serrated Wheel Stud - 15.85 mm Knurl, 81.6 mm Length 610-565.1 Features:

• Fits 2003-2016 Ford F-450 Super Duty; 2011-2025 Ford F-53 Motorhome Chassis; 2006-2009 Ford; 2003-2004 Ford; 2003-2016 Ford F-550 Super Duty
• Durable material — carbon steel meets SAE automotive industry standards for strength and hardness
• Corrosion resistant — extensive salt spray testing helps ensure years of durability against rust
• 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