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  • M12 x 1.25 Spline Extended Lug Nuts with Locks 20pc Set - Aluminum
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M12 x 1.25 Spline Extended Lug Nuts with Locks 20pc Set - Aluminum
M12 x 1.25 Spline Extended Lug Nuts with Locks 20pc Set - Aluminum
M12 x 1.25 Spline Extended Lug Nuts with Locks 20pc Set - Aluminum
M12 x 1.25 Spline Extended Lug Nuts with Locks 20pc Set - Aluminum
M12 x 1.25 Spline Extended Lug Nuts with Locks 20pc Set - Aluminum
M12 x 1.25 Spline Extended Lug Nuts with Locks 20pc Set - Aluminum
Load image into Gallery viewer, M12 x 1.25 Spline Extended Lug Nuts with Locks 20pc Set - Aluminum
Load image into Gallery viewer, M12 x 1.25 Spline Extended Lug Nuts with Locks 20pc Set - Aluminum
Load image into Gallery viewer, M12 x 1.25 Spline Extended Lug Nuts with Locks 20pc Set - Aluminum
Load image into Gallery viewer, M12 x 1.25 Spline Extended Lug Nuts with Locks 20pc Set - Aluminum
Load image into Gallery viewer, M12 x 1.25 Spline Extended Lug Nuts with Locks 20pc Set - Aluminum
Load image into Gallery viewer, M12 x 1.25 Spline Extended Lug Nuts with Locks 20pc Set - Aluminum

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M12 x 1.25 Spline Extended Lug Nuts with Locks 20pc Set - Aluminum

K2 Industries
K2-5934-UNV-006-TSARK
Tool Sets and Repair Kits
$110.00 $89.99
$89.99
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M12 x 1.25 Spline Extended Lug Nuts with Locks 20pc Set - Aluminum
Description
M12 x 1.25 Spline Extended Lug Nuts with Locks — 20-Piece Set, Aluminum

Spline-drive extended lug nuts with integrated locks in lightweight aluminum construction. The 20-piece set pairs matched pairs with security locks to prevent wheel theft and loosening. M12 x 1.25 thread pitch fits a wide range of vehicles and aftermarket wheel applications.

✓ Ships from FL Warehouse ✓ Aluminum Construction ✓ 20-Piece Set with Locks
Key Features
  • Spline-drive design - Engages wheel seat without stripping; reduces cross-threading risk.
  • Integrated locking mechanism - Prevents wheel theft and vibration-induced loosening during operation.
  • Extended length - Designed for wheels with deeper seat profiles and aftermarket applications.
Specs
  • Material: Aluminum
  • Thread: M12 x 1.25
  • Piece Count: 20 (includes lock nuts)
  • Condition: New
What's Included
  • 20-piece lug nut set with integrated locks
Frequently Asked Questions

Will these fit my current wheels?

M12 x 1.25 is a common thread pitch, but seat profile and extension length vary by wheel design. Measure your current lug nut length and compare to these extended nuts before ordering — spline drive requires the correct seat engagement to function properly.

Do I need special tools to install these?

A 19mm or 21mm socket (depending on your nut head size) and a ratchet handle the installation. The spline drive design is straightforward — no impact gun required, though one works fine if you're swapping multiple wheels.

How tight should I torque them?

Refer to your vehicle's service manual for the correct torque specification — it varies by make and model. Over-torquing aluminum nuts can strip threads; under-torquing risks loosening. Once set, the lock feature prevents vibration-induced rotation.

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