A closed-end lug nut with M12×1.5 thread, featuring a 60° taper and a 19mm hex head. It measures 34mm long and is made of heat-treated steel (Grade 8) with a durable black zinc finish. In fact, fifteen52 describes this style as: M12×1.5 thread, 34mm length, closed end, 60° conical seat, 19mm hex, steel Grade 8, black zinc finish.
Thread/Seat: M12×1.5, 60° conical taper.
Hex Head: 19mm for standard sockets.
Length: 34mm overall (shorter than some, but fully closed).
Material & Finish: Grade 8 alloy steel, black zinc-plated.
Benefit: Provides maximum durability and corrosion protection; closed design keeps out dirt; ideal where deep thread engagement is needed.
