Threaded Nut Insert Steel 50pk ALL18547-50 Allstar Performance MSRP: Now: $114.99 Was: Allstar Threaded Nut Insert Steel 50pk ALL18547-50 Insert provides a convenient option to quickly install and easily remove a 1/4"-20 fastener on panels up to 1/8" thick. Insert fits into a 3/8" O.D... MSRP: Now: $114.99 Was: