4 inch Abrasive cup brush

Super abrasive nylon bristle, Silicon carbide or AO grits For surface of wooden,stainless, aluminium Easy fitting,long life Cup brush abrasive wire has different specifications: 1.Thread: M14x1.25 M14x1.5 M14x2 5/8"-11 2.Abore hole:1/2"(12.7mm) 5/8"(15.8mm) 7/8"(22.2mm) 3.Cup color:red, blue,orange,black,zinc plated etc 4.wire material: 1)S:steel wire 0.3,0.5mm 2)SS:stainless steel wire:0.2,0.25,0.3,0.5mm 3)BS:brass plated steel wire:0.3mm 4)B:brass wire:0.3mm 5)CS:carbon