Badass M12x1.5mm Hex Castle Nuts Crafted From Hella Tough Carbon Steel With Matte Black Finish And Rock Solid Grade 4.8 Hold 10 Pack For Quick Jobs

Pack of 10 M12 slotted nuts for vehicle axle use
✔️ M12x1.5 grade 4.8 carbon steel black slotted 10pk

This batch of hex castle nuts hands you a dead simple way to lock down fasteners with a quick cotter pin snap. You will normally run these on truck axle builds, wheel bearing assemblies, and shop lifts that take plenty of shaking without wanting bolts to roll loose.

✅ Thread pitch lands at 1.5mm next to 0.06 inch spacing
✅ Width across flats measures 19mm along with 0.75 inch span
✅ Overall height stands at 14mm while topping 0.55 inch tall
✅ Thread segment stretches 8mm deep alongside 0.31 inch reach
✅ Cutout gap opens 4mm wide to pair with 0.16 inch slots

💡 Why do mechanic crews swap regular nuts for slotted castle units under trailers?

This kit stays handy through gravel dust because the open crown accepts a solid cotter pin lock instantly.

- Stops stud wobble when hauling heavy gear over cracked asphalt roads - Drops straight onto 12 millimeter threads and mates with standard 25 millimeter pins - Defends against brake dust corrosion via the matte black oxide plating layer - Cuts down wrench time when rebuilding drum brakes or swapping trailer axles ✝️