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The hardness and torque range values of the anti-theft screws we tested fall within normal parameters, and the nuts will not be damaged under these conditions.

When installing tire sockets or nuts/screws, passenger vehicles typically require a torque value of around 120-150 N·m to secure them properly, with a maximum of 160 N·m. However, our nuts are designed to meet a torque standard of 200 N·m, meaning they will not sustain damage when tightened within this range.

Potential reasons for customer-reported damage:

Rust on wheel screws: Corroded screws become difficult to remove, requiring excessive torque that may ultimately fail to dislodge the nut while damaging it.

Improper installation torque: If the anti-theft screws are not installed using the specified torque, excessive force may be required for removal. This could exceed the socket’s maximum torque tolerance, causing socket cracks. Recommendation: Always use a torque wrench and stay within the socket’s rated torque range.

Extended wrench leverage: While short-handled torque wrenches are sufficient for removal, switching to a long-handled wrench like breaking bar or long extension bar during the process reduces user effort but amplifies force at the tool head, potentially damaging the nut.

Special shape for Anti-Theft Lug NutSet of twenty locking keys for the removal of locking wheel nuts on BMW vehicles.

21pc set includes:

• 20pcs key contents: #41, #42, #43, #44, #45, #46, #47, #48, #49, #50, #51, #52, #53, #54, #55, #56, #57, #58, #59, #60
• 1/2" dr. adaptor which can be used with either a 1/2" dr. ratchet handle or 21mm socket, spanner.

Drive pattern material: Cr-Mo Steel

Finish: PH Black

Applications: 

1 Series F20/F21, 3 Series F30/F31, 4 Series F32/F34/F36, 5 Series F10/F11, 6 Series F12/F13 and 7 Series F01/F02/F04