GB/T 13829.9-2004
Grooved pins with countersunk head-type A
GB/T 13829.9-2004
Grooved pins with countersunk head-type B
GB/T 13829.3-1992
Grooved pins with countersunk head-type A
GB/T 13829.3-1992
Grooved pins with countersunk head-type B