Steel K-slot

Steel K-slot Lightweight and high strength nuts according to aviation standard. K-Nuts are used in Formula 1 or DTM vehicles. Smaller, lighter and much more stable than all common nuts on the market. Kaylock nuts are self-locking and can be reused up to three times. Particularly suitable for inaccessible places such as the exhaust manifold. A standard M12 nut has a width across flats of 18mm. The K-slot, on the other hand, gets by with 14mm wrench size!