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

1/2-20 Serrated Wheel Stud - .565 in. Knurl, 2-3/32 in. Length 610-391.1 Features:

• Fits select 1983-1997 Ford, 1991-1997 Mazda applications
• 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