Gorilla Automotive 21621SD Chrome Acorn Locking Lug Nuts, M12 x 1.25

Protect your wheels with Gorilla Automotive 21621SD chrome acorn locking lug nuts, designed for vehicles using M12 x 1.25 wheel studs. This locking lug nut set combines a tapered acorn seat with a security key pattern to help deter unauthorized wheel removal while maintaining a clean, polished appearance. The chrome finish complements a wide range of factory and aftermarket wheels.

Each Gorilla Automotive 21621SD lug nut is designed for dependable wheel retention when installed according to the vehicle manufacturer’s recommended torque specifications. The acorn seat supports proper contact with compatible tapered wheel mounting surfaces, while the locking design requires the included matching key for removal. Confirm thread size, seat style, and available wheel clearance before installation.

Key Product Specifications & Technical Data

• Brand: Gorilla Automotive
• Part Number: 21621SD
• Product Type: Locking acorn lug nut set
• Thread Size: M12 x 1.25
• Seat Style: Acorn, tapered seat
• Finish: Chrome
• Application: Wheels using compatible M12 x 1.25 tapered-seat studs
• Security Feature: Matching keyed locking pattern

What’s Included

• Gorilla Automotive locking acorn lug nuts
• Matching removal and installation key

Fitment

Fitment varies by vehicle, wheel design, and stud configuration. Verify the vehicle’s M12 x 1.25 thread specification, acorn seat requirement, lug nut engagement, and socket or key clearance before purchase. Professional installation is recommended, and lug nuts should be tightened using the vehicle manufacturer’s specified torque value.

Features:

• Security: Locking design helps deter unauthorized wheel and tire removal.
• Thread Compatibility: Designed for wheel studs with an M12 x 1.25 thread.
• Acorn Seat: Tapered acorn seat supports proper contact with compatible wheels.
• Chrome Finish: Provides a clean, polished appearance and added surface protection.