B型通孔式嵌装塑料螺母
Plastic expansion nut with open end. Type B
2011-12-20
QC/T 616-2011
C型通孔式嵌装塑料螺母
Plastic expansion nut with open end. Type C
2011-12-20
QC/T 890-2011
D型通孔式嵌装塑料螺母
Plastic expansion nut with open end. Type D
2011-12-20
QC/T 879-2011
E型通孔式嵌装塑料螺母
Plastic expansion nut with open end. Type E
2011-12-20
BS 2HR 650-2011
Specification for high expansion heat-resisting steel bar and wire for the manufacture of bolts, studs, set screws and nuts (Ni 25.5, Cr 15, Ti 2, Mn 1.5, Mo 1.25, Si 0.7, V 0.3) (limiting ruling section 50 mm)
螺栓、螺柱、固定螺钉和螺母（Ni 25.5、Cr 15、Ti 2、Mn 1.5、Mo 1.25、Si 0.7、V 0.3）制造用高膨胀耐热钢筋和钢丝规范（极限截面50 mm）
2011-01-31
BS 10/30238238 DC
BS 2HR 650. Specification for high expansion heat-resisting steel bar and wire for the manufacture of bolts, studs, set screws and nuts (Ni 25.5, Cr 15, Ti 2, Mn 1.5, Mo 1.25, Si 0.7, V 0.3) (Limiting ruling section 50 mm)
BS 2HR 650 螺栓、螺柱、固定螺钉和螺母（Ni 25.5、Cr 15、Ti 2、Mn 1.5、Mo 1.25、Si 0.7、V 0.3）制造用高膨胀耐热钢筋和钢丝规范（极限截面50 mm）