GAsupply 1/2-20 Spline Lug Nuts Black — 20pc, 2" (50mm) Tall with 60° Conical Seat and Spline Key

GAsupply 1/2-20 black spline lug nuts, 2" (50mm) tall with 60° conical seats — a 20-piece set plus a spline key for secure, finished wheel installations.

These lug nuts are designed for vehicles that use 1/2-20 studs and a 60° conical (acorn) seat. Built from solid one-piece steel with an electrophoretic black finish, they provide a clean look while resisting corrosion and wear. The set includes 20 closed-end spline tuner lug nuts and a matching spline key, packaged for convenient storage and transport.

Will these lug nuts fit my wheels and studs?

They fit wheels that require 1/2-20 threaded lug nuts and a 60° conical seat only. Confirm your vehicle’s stud size and seat type before purchase to ensure compatibility.

• Thread size: 1/2-20 (1/2 x 20 threads per inch)
• Seat type: 60° conical (acorn) seat
• Nut height: 2 in / 50 mm tall for extended engagement
• Sold as a set: 20 nuts + 1 spline key tool

How durable and secure are these lug nuts?

Each nut is machined from one solid piece of high-strength steel, reducing the risk of separation or failure. The electrophoretic black coating improves corrosion resistance and retains appearance under road conditions.

• One-piece steel construction for structural integrity
• Electrophoretic black finish resists rust and fading
• Closed-end design keeps threads protected from debris
• Clear, clean threads for easier installation and removal

What tool do I need and how do I install them?

Installation uses the included spline key for the spline pattern, plus standard hex sizes for removal with common sockets if needed. Tighten to your vehicle manufacturer’s recommended torque specification using the spline key or appropriate socket adapter.

• Included: one spline lug key for the tuner spline pattern
• Tool compatibility: hex options 13/16" (21mm) and 7/8" (22mm) for common sockets
• Closed-end design keeps out grime during use
• Follow OEM torque specs for safety and wheel integrity

How will these lug nuts change the look and maintenance of my wheels?

The sleek black finish and tuner-style spline profile give wheels a refined, aftermarket appearance while protecting mounting threads. Their tall acorn shape fills the lug well on many wheels for a more finished presentation and easier cleaning.

• Black electrophoretic finish for a factory-like aesthetic
• 2" height provides visible coverage for many wheel designs
• Closed ends reduce grime buildup so wheels stay cleaner
• Packaged neatly for storage between seasonal wheel swaps

Who is this for: GAsupply’s 1/2-20 spline lug nut set suits car and truck owners, wheel enthusiasts, and professional installers needing a reliable, visually consistent replacement for 60° conical-seat applications. Ideal when you want durable, corrosion-resistant lug nuts with an aftermarket tuner look and secure spline-key protection. Always verify stud size and seat angle before fitting, and use proper torque procedures during installation.