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Vehicle Info NeededDORMAN PRODUCTSPART NUMBER: 326-610-191
610-191 1/2-20 Serrated Wheel Stud - .621 in. Knurl, 1-1/2 in. Length; Buick/Cadillac/International/Oldsmobile/Pontiac
$2271
Ships on Sep 15, 2026
Lowest Price Guarantee1/2-20 Serrated Wheel Stud - .621 in. Knurl, 1-1/2 in. Length1961-1970 Buick; 1955-1976 Cadillac; 1967-1975 International; 1946-1964 Oldsmobile; 1946-1963 Pontiac; 1937-1942 Pontiac Sold as a Set
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 - .621 in. Knurl, 1-1/2 in. Length 610-191 Features:
- Fits 1961-1970 Buick; 1955-1976 Cadillac; 1967-1975 International; 1946-1964 Oldsmobile; 1946-1963 Pontiac; 1937-1942 Pontiac
- 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
Part TypeWheel Stud
BrandDORMAN PRODUCTS
Package Height2.19
Package Width2.38
Package Length3.63
Weight1.12 PG
Part CategoryReplacement Parts
Shoulder Thickness0.2 in.
Thread Diameter1/2 in.
Head Diameter0.780 in.
PositionVarious - Application Specific
ColorSilver
Sae Or MetricSAE
Quantity10
MaterialSteel
Thread Size1/2-20 in.
Threads Per Inch20
Thread DirectionClockwise (Right)
Thread Length (In)1.01 in.
StyleSerrated Stud
Quick-Start NoseNo
Part FitmentDirect Fit
Shoulder Diameter0.621 in.
Under Head Length1.5 in.
Vendor Part Number610-191
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
