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

M14-2.0 Serrated Wheel Stud - 15.85mm Knurl, 77.90mm Length 610-485.1 Features:

• Fits 1999-2002 Ford F-450 Super Duty; 2011-2025 Ford F-53 Motorhome Chassis; 1999-2002 Ford; 1999-2002 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