GB/T 809-1988
Insert round nuts —Type B
DIN 16903-3-1974
Closed insert nuts for plastics mouldings-round without shoulder—Type Q
DIN 16903-3-1974
Closed insert nuts for plastics mouldings-round without shoulder—Type S
DIN 16903-4-1991
Closed insert nuts for plastics mouldings-round without shoulder—Type T
DIN 16903-4-1991
Closed insert nuts for plastics mouldings-round without shoulder—Type U
CNS 4664-2-1984
Knurled closed insert nuts with dead hole for plastic mouldings—Type Q—table 2
CNS 4664-2-1984
Knurled closed insert nuts with dead hole for plastic mouldings—Type S—table 2
CNS 4665-1984
Knurled insert nuts heavy type for for plastic mouldings and pressure die castings with dead hole—Type T
CNS 4665-1984
Knurled insert nuts heavy type for for plastic mouldings and pressure die castings with dead hole—Type U