D= M4 l1= 3.5 mm L= 5.3 mm SW= 3 mm
D= M6 l1= 5.4 mm L= 7.3 mm SW= 5 mm
D= M8 l1= 5.4 mm L= 7.3 mm SW= 7 mm
D= M10x1 l1= 8 mm L= 13.5 mm SW= 10 mm
