GB/T 832-1988
Slotted cap stan screws-Type C
GB/T 832-1988
Slotted cap stan screws-Type B
GB/T 834-1988
Knurled thumb screws
GB/T 65-2000
Slotted cheese head screws
GB/T 65-1985
Slotted cheese head screws
GB/T 67-2000
Slotted pan head screws
GB/T 67-1985
Slotted pan head screws
GB/T 68-2000
Slotted countersunk flat head screws
GB/T 68-1985
Slotted countersunk flat head screws
GB/T 69-2000
Countersunk slotted raised head screws
GB/T 69-1985
Countersunk slotted raised head screws
GB/T 2672-1986
6-Lobe pan head screws
GB/T 2673-1986
6-Lobe 90° flat head screws
GB/T 2674-1986
6-Lobe socket 90° oval head screws
GB/T 829-1988
Slotted set screws with dog point
GB/T 822-2000
Cheese head screws with cross recess-type H
GB/T 822-2000
Cheese head screws with cross recess-type Z
GB/T 822-1988
Cheese head screws with cross recess-type H
GB/T 819.1-2000
Countersunk flat head screws with type H cross recess
GB/T 819.1-2000
Countersunk flat head screws with type Z cross recess