Black Lug Bolt 12mmx1.50 Conical Seat 40mm Shank
Fitment and specs
- Thread size: 12mm x 1.50, conical seat
- Shank length: 39mm, overall length: 64mm
- Hex size: 17mm
- Grade 10.9 with enhanced torque tension
- Black finish, sold per piece
- Fits many BMW, Volkswagen, and Audi applications
Start every bolt by hand for several turns so you never cross-thread the hub, then tighten in a star pattern. Finish with a torque wrench set to your vehicle's spec, listed in our torque reference chart, and re-torque after 50 to 100 miles of driving.
Common questions
Are conical seat bolts interchangeable with ball seat bolts?
No. The seat is the tapered surface that centers and clamps the wheel, and it has to match the bolt holes in your wheel. A ball seat bolt will not sit correctly in a conical hole and can work loose, so confirm your wheel's seat type before ordering.
How do I confirm these fit my car?
Match three things against one of your current bolts: the 12x1.5 thread, the conical seat, and the shank length. These fit many BMW, Volkswagen, and Audi applications, and our application guide page covers specific vehicles if you want to double check.