Every steel Toyota wheel that I've seen uses the acorn nuts with the cone, "conical/tapered" seat as shown here. Your alloy nuts should have the flat "flanged" seat. The two are not interchangeable.


'04 Taco x-cab 3RZ FE stock (daily driver)
'90 x-cab 22RE stock
'82 Hilux 6" lift (ACES HI)
'82 2-Hiluxs' Rally Edition (parts)
'81 Hilux 3" lift (parts/restore)