NF E25-409-1997

Prevailing torque type hexagon nuts(with non-metallic insert),style 1—Property classes 5,8 and 10

NF E25-409-1985

Prevailing torque type hexagon nuts(with non-metallic insert),style 1—Property classes 5,8 and 10

NF E25-409-2002

Prevailing torque type hexagon nuts(with non-metallic insert),style 1—Property classes 5,8 and 10

NF E25-410-1997

Prevailing torque type all-metal hexagon nuts,style 1—Property classes 5,8 and 10

NF E25-410-1985

Prevailing torque type all-metal hexagon nuts,style 1—Property classes 5,8 and 10

NF E25-410-2002

Prevailing torque type all-metal hexagon nuts,style 1—Property classes 5,8 and 10

NF E25-412-1997

Prevailing torque type hexagon thin nuts(with non-metallic insert)

NF E25-412-1985

Prevailing torque type hexagon thin nuts(with non-metallic insert)

NF E25-412-2002

Prevailing torque type hexagon thin nuts(with non-metallic insert)

NF E25-412-2013

Prevailing torque type hexagon thin nuts(with non-metallic insert)

NF E25-413-1998

Prevailing torque type hexagon nuts with flange(with non-metallic insert)

NF E25-413-1985

Prevailing torque type hexagon nuts with flange(with non-metallic insert)

NF E25-413-2004

Prevailing torque type hexagon nuts with flange(with non-metallic insert)

NF E25-414-1998

Prevailing torque type all-metal hexagon nuts with flange

NF E25-414-2004

Prevailing torque type all-metal hexagon nuts with flange

NF E25-414-1985

Prevailing torque type all-metal hexagon nuts with flange

NF E25-420-1997

Prevailing torque type all-metal hexagon nuts,style 2—Property classes 5,8,10 and 12

NF E25-420-2002

Prevailing torque type all-metal hexagon nuts,style 2—Property classes 5,8,10 and 12

NF E25-420-2013

Prevailing torque type all-metal hexagon nuts,style 2—Property classes 5,8,10 and 12

NF E25-421-1997

Prevailing torque type hexagon nuts(with non-metallic insert),style 1, with metric fine pitch thread—Property classes 6,8 and 10