Fitting Kit for Stainless Steel  Castors with 80x60 Bolt Centre, and for use for bolting to material of 8-10mm Depth
Set of 4 Bolts  Nylock Nut & Washer Kit M8 x 20 
Thread Diameter              10mm
Thread Length                 20mm
Thread Length (Fitted)     20mm
Total Length Inc Head     26mm