tender for prevailing torque type all metal hex nut m20 as per drg.no. din6925-propertyclass-10 to is:1367(part-8)- 2002, a3b, packing instruction - pi042 as per drg.no. din6925-propertyclass-10 to is:1367(part-8)- 2002 specn: din6925-property class-10 to is:1367(part-8)- 2002,a3b .