GB/T 852-1988 工字钢用方斜垫圈 Square taper washers for I section
GB/T 853-1988 槽钢用方斜垫圈 Square taper washers for slot section
GB/T 3880.3-2006 Wrought aluminium and aluminium alloy plates，sheets and strips for general engineering - part 3: Tolerances on forms and dimensions
GB/T 3190-2008 Wrought aluminium and aluminium alloy——Chemical composition
GB/T 7245-1987 鞍形弹簧垫圈 Curved single coil spring lock washers
GB/T 7246-1987 波形弹簧垫圈
GB/T 2040-2008 Sheet of copper and copper alloy
GB/T 2059-2008 Strip of copper and copper alloy
GB/T 1972-2005 Disc spring
GB/T 12-1988 半圆头方颈螺栓 Cup head square neck bolts
GB/T 794-1993 Strengthened cap head square neck bolts
GB/T 1095-2003 Square and rectangular keyways
GB/T 1096-2003 普通型 平键
GB/T 3287-2000 Malleable cast iron pipe fittings
GB/T 9439-2010 Grey iron castings
GB/T 9440-1998 Malleable iron castings
GB 70.1-2008 Hexagon socket head cap screws
GB 97.2-2002 Plain washers,chamfered-Product grade A
GB 95-2002 Plain washers-Product grade C
GB/T 13829.8-2004 grooved pins with round head
GB/T 3098-2-2000 Mechanical properties of fasteners—Nuts—Coarse thread