All Macht Schnell Competition studs are hardened and tempered to strength class 10.9 or 10 according to DIN/ISO standard 898. They meet the statutory requirements of all countries - including the USA.
All studs feature a black plating process for OEM appearance.
Final inspections are not restricted to random quality checks. Every single fastener is tested to ensure compliance with specifications. Studs/nuts are also offered individually and should be replaced after every race season.
Competition Wheel Stud Kit Features:
- 10.9 Grade Strength Class for ultimate strength and safety
- Bullet Tip prevents cross-threading
- Faster and easier wheel changes
- 75mm/90mm length allows for most spacer thicknesses (up to +12mm) to be used without changing studs
- Eliminates the need for balancing the wheel while threading in stock wheel lugs
- Black zinc coating for additional strength and corrosion/wear resistance - Allen key insert for easy installation
- Fits most BMW models
- Shank length: 45mm/75mm/90mm
- Thread pitch: 12mm x 1.5, 14mm x 1.25