Hardware 4 wheels
M12x1.25 Extended Cone Seat Wheel Bolt | 40mm Thread Length | 17mm Hex | Silver Zinc Plated
M12x1.25 Extended Cone Seat Wheel Bolt | 40mm Thread Length | 17mm Hex | Silver Zinc Plated
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High-tensile M12x1.25 extended 60° cone/tapered seat wheel bolt featuring a 40mm thread length and a 17mm hex head. Specifically for use with slip-on wheel spacers as well as aftermarket or original rims requiring longer bolts. High-tensile steel build with protective silver zinc plating.
Fine metric thread pitch standard on Alfa Romeo, Fiat, Peugeot, Citroën, and select classic Japanese/European models.
- Sold: Individually
- Shipping: Usually ships within 24 hours (Delivery in South Africa only)
- SKU: WB-12125-40-CS
Technical Specifications:
|
Spec |
Detail |
|
Thread Size |
M12x1.25 |
|
Thread Length |
40mm (Extended) |
|
Seat Type |
60° Cone / Tapered Seat |
|
Hex / Spanner Size |
17mm (17 AF) |
|
Suitable Wheel Spacer Thickness |
Ideal for 10mm to 15mm Slip-On Wheel Spacers |
|
Material/Grade |
High-Tensile (H/T) Steel 10.9 |
|
Finish |
Silver Zinc Plated (Corrosion Protection) |
|
Installation Type |
Thread-In Wheel Bolt |
|
Primary Vehicle Compatibility |
Alfa Romeo: Mito, Giulietta, 147, 156, GT.
|
Guarantees proper thread engagement into the hub flange when running slip-on spacers or thicker wheel centres.
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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