Lug Bolt 12mmx1.50 Conical Seat 55mm Shank

Fitment and specs

• Thread size: 12mm x 1.50
• Seat type: conical
• Shank length: 55mm; overall length: 82mm
• Hex size: 17mm
• Fits Mercedes Benz, Volkswagen, and Audi applications
• Priced and sold per piece

Start every bolt by hand for a few full turns so you catch cross-threading before it does damage, then snug them in a star pattern. Finish with a torque wrench set to your vehicle's spec, our torque reference chart is a quick place to check it, and re-torque after 50 to 100 miles.

Common questions

Can I run a conical seat bolt in a wheel drilled for ball seats?
No. Conical and ball seats clamp the wheel with different shapes, and mixing them leaves the bolt touching the wheel on a thin edge instead of the full seat. Match the seat machined into your wheel; these are conical.

Is 55mm the right shank length for my car?
Measure a bolt you are removing from under the seat to the end of the threads and match it. Original length is correct for factory setups; only a spacer install calls for a longer shank. These measure 55mm shank and 82mm overall.