Hardware 4 wheels
M12x1.5 Extended Tuner Wheel Bolt | 40mm Thread Length | Slim Head (20mm OD) | Cone Seat | Chromed
M12x1.5 Extended Tuner Wheel Bolt | 40mm Thread Length | Slim Head (20mm OD) | Cone Seat | Chromed
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High-tensile M12x1.5 extended tuner wheel bolt featuring a 40mm thread length, a 20mm outer diameter slim head, and a 60° cone/tapered seat. Engineered specifically for aftermarket alloy wheels with narrow bolt holes where standard socket tools cannot fit, as well as setups using slip-on wheel spacers. Finished with a high-shine chrome plating for maximum corrosion resistance and a clean aesthetic.
- Sold: Individually
- Shipping: Usually ships within 24 hours (Delivery in South Africa only)
- SKU: TWB-12150-40-CS-CHR
What is a Tuner Wheel Bolt? Tuner wheel bolts are specialized, slim-headed fasteners designed for aftermarket alloy wheels with small bolt holes where standard socket wrenches cannot fit. Featuring a reduced 20mm outer diameter, they fit cleanly into tight wheel bores and require a slim tuner key adapter for installation and removal.
Technical Specifications:
|
Spec |
Detail |
|
Thread Size |
M12x1.5 |
|
Thread Length |
40mm (Extended) |
|
Seat Type |
60° Cone / Tapered Seat |
|
Head Outer Diameter |
20mm (Slim Tuner Fitment) |
|
Tool Requirement |
Tuner Key Adapter (Not included unless selected) |
|
Suitable Wheel Spacer Thickness |
Ideal for 10mm to 15mm Slip-On Wheel Spacers |
|
Material/Grade |
High-Tensile (H/T) Steel 10.9 |
|
Finish |
High-Shine Chrome Plated (Corrosion Protection) |
|
Installation Type |
Thread-In Wheel Bolt |
|
Primary Vehicle Compatibility |
BMW: E36, E46, E90/E91/E92/E93, E30, Z3, Z4.
|
Guarantees proper thread engagement into the hub flange when running slip-on spacers on narrow-bore aftermarket wheels.
Vehicle Fitment Guide:
⚠️ Important: Please verify your vehicle's specific thread pitch and seating profile at https://www.wheel-size.com/
Verify Seat Type: Always confirm whether your wheels require a Ball / Radius Seat or a 60° Cone / Tapered Seat before ordering.
Can't find what you are looking for? Please contact us for assistance and we will gladly assist you.
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