Lug Nuts Flat

Lug Nuts Flat Seat – Chrome (Multiple Sizes & Pack Options)

Upgrade your ATV / UTV wheels with premium 50 Caliber Racing flat seat lug nuts, designed for strength, precision fitment, and long-lasting performance. Built from hardened steel alloy with a durable chrome finish, these lug nuts are ideal for both OEM and aftermarket hub-centric wheels.

Key Features

• Flat base design for hub-centric wheels (non-tapered)
• High-strength steel alloy construction
• Durable chrome-plated finish for corrosion resistance
• Precision threads for smooth and secure installation
• Suitable for ATV / UTV applications

Available Sizes & Specs

12x1.25 (17mm Hex)

• Length: 32mm
• Flange Diameter: 20mm
• Common fitment: Kawasaki Teryx, Yamaha YXZ1000R

12x1.50 (17mm Hex)

• Length: 32mm
• Flange Diameter: 20mm
• Common fitment: Polaris RZR XP1000, Ranger (newer models)

10x1.25 (17mm Hex)

• Flat Seat Diameter: 19mm
• Common fitment: Yamaha, Can-Am, and similar applications

3/8"-24 (14mm Hex)

• Length: 32mm
• Base Diameter: 19mm
• Common fitment:
  • Polaris Ranger (2000–2012, non-XP)
  • RZR 570 / 800 (2008–2018)
  • RZR XP900 (2011–2014)
  • Sportsman (non-XP models)
  • ACE (2016–2018)

Pack Options

• Single Lug Nut – Ideal for replacements
• 16 Pack Set – Perfect for full wheel installation

Important Fitment Notes

• These are flat seat (NOT tapered) lug nuts
• Only compatible with hub-centric wheels requiring flat base lug nuts
• Will NOT work with conical/tapered seat wheels
• Always verify your thread size before purchasing
• Some Polaris models switched from 3/8" to metric — please measure before ordering

Installation Guidelines

• Use correct socket size (14mm or 17mm depending on variant)
• Do not over-tighten
• Re-check torque after installation

What’s Included

• Based on selection:
  • 1 × Lug Nut
  • OR
  • 16 × Lug Nuts