AUTOPTIM M12x1.25 Lug Nuts 20pc Chrome — 60° Conical Seat Open-End, Heat‑Treated Steel

Heavy-duty chrome M12x1.25 open-end lug nuts engineered to replace factory nuts and resist corrosion while providing a precise fit for compatible vehicles.

These AUTOPTIM lug nuts are a 20-piece set of M12x1.25 conical (60°) seat, open-end wheel nuts finished in triple chrome. Built with cold-forged, heat-treated steel and tested in a 72-hour salt spray chamber, they balance strength, corrosion resistance and compatibility for a wide range of Nissan, Subaru and selected Suzuki models. The open-end design lets you use factory-style extended studs and wheel locks without trimming, and the 3/4" (19mm) hex fits standard sockets for straightforward installation.

Will these lug nuts fit my car?

The AUTOPTIM M12x1.25 nuts are intended as aftermarket replacements for vehicles that require a 60° conical seat and M12x1.25 thread pitch. Fitment covers many Nissan models (including 300ZX, 240SX, 350Z, 370Z, Sentra, LEAF, Altima, GT-R and Maxima), numerous Subaru vehicles (Impreza, WRX, Outback, Forester, Crosstrek, BRZ and others) and select Suzuki models like the Kizashi.

• Thread: M12 x 1.25
• Seat angle: 60° conical (tapered)
• Hex size: 3/4" (19mm)
• Overall height: 0.84" (21mm); width: 0.9" (23mm)

How durable are these chrome lug nuts?

These lug nuts are cold-forged and heat-treated to improve toughness and reduce the risk of cracking under load. The triple chrome finish plus lab salt-spray testing aim to limit rust and cosmetic wear over typical road exposure.

• Material: Heat-treated steel for strength
• Finish: Triple chrome for corrosion resistance and shine
• Corrosion test: 72-hour salt spray simulating multi-year outdoor use
• Design: One-piece open-end construction for consistent performance

What advantages does the open-end design provide?

Open-end lug nuts let taller wheel studs, extended studs or factory locking lug designs pass through, so you don’t have to modify studs or wheels. They’re also quicker to remove with impact or hand tools because the stud is accessible and threads are visible for alignment.

• Allows use with extended studs and locking nuts
• Facilitates quick tool engagement for installation and removal
• Reduces chance of damaging stud tips when installing
• One-piece design avoids gasketed or split-nut failure points

What tools and torque should I use to install them?

Use a 3/4" (19mm) socket or a compatible impact socket for installation. Always refer to your vehicle manufacturer’s recommended torque settings and recheck torque after the first 50–100 miles to ensure safe seating.

• Socket size: 3/4" (19mm) hex
• Follow OEM torque specs for each wheel—do not overtighten
• Inspect threads and stud condition before installation
• Retorque after initial driving break-in (50–100 miles)

Who is this for? These AUTOPTIM lug nuts are aimed at owners and technicians replacing worn or corroded factory nuts on compatible Nissan, Subaru and selected Suzuki vehicles, plus DIY enthusiasts fitting aftermarket wheels that require an M12x1.25 conical seat. They suit drivers who want a durable, corrosion-resistant chromed finish with an open-end design that accommodates extended studs and easy tool access. If you need a straightforward OEM-style replacement in a 20-piece set for four wheels with spares, this kit provides the specifications and durability many common models require.