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International Standard Category: Bolts, screws, studs

GB 32.2-1988    Hexagon bolts with wire holes on head; Reduced shank; Product grade B
六角头头部带孔螺栓 细杆 B级 ;
Category No.:21.060.10 Valid Status:valid
Issued Organization:China Machinery Industry Federation Issued Date:1988-06-24
Implemented Date:1989-7-1 Abolished Date:
Superseded Standard.: Superseded Date:
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