Nut Heavy Duty Wing Nut 1/4" Description Standard:Heavy Duty Wing NutGrade:2 / 5 / 8Diameter:3# -- 3/4"Material:Carbon ... DIN, ANSI, AS, BS, JIS, GB, ISO and other standard&non-standard specifications base on our customers’ special request and drawings. We ... value of our fasteners.Whenever you need fasteners, contact us Heavy Duty Wing Nuts