Bulge Dome Wheel Nut – M12 x 1.25 – 21 mm
Bulge Dome wheel nut, also known as a closed-end domed wheel nut, designed for motorsport, rally, competition and modified vehicle applications.
It features an M12 x 1.25 thread, a 60° tapered seat and a 21 mm hex head. Its closed-end domed design provides a clean, classic finish while protecting the end of the wheel stud.
Made from high-tensile steel with a chrome-plated finish, this wheel nut is designed to withstand intensive use, especially in rally and motorsport applications.
Sold individually.
Key Features
M12 x 1.25 Thread
Compatible with applications requiring an M12 x 1.25 metric thread.
60° Tapered Seat
Conical seat designed to provide reliable wheel centring and secure tightening.
Bulge Dome Design
Closed-end wheel nut with a rounded domed head for a clean and classic finish.
21 mm Hex Head
21 mm hex head for use with suitable tools.
High-Tensile Steel
Designed to withstand high tightening torque and the demands of motorsport use.
Chrome-Plated Finish
Chrome-plated finish for a clean, bright and durable appearance.
Applications
Motorsport
Rallying
Competition vehicles
Modified vehicles
Compatible alloy wheels
Applications requiring closed-end M12 x 1.25 wheel nuts with a 60° tapered seat












