BS 1981-4-1991

统一螺纹80°开槽沉头螺钉表4

80°Slotted countersunk head screws-Table 4

BS 1981-5-1991

统一螺纹80°米字槽沉头螺钉表5

80° Countersunk flat head screws with type Z cross recess-Table 5

BS 1981-6-1991

统一螺纹80°开槽沉头螺钉(车制)表6

80°Slotted countersunk head screws(truncated)-Table 6

BS 1981-7-1991

统一螺纹80°米字槽沉头螺钉(车制)表7

80° Countersunk flat head screws with type Z cross recess(truncated)-Table 7

BS 1981-8-1991

统一螺纹80°开槽半沉头螺钉表8

80°Slotted Countersunk raised head screws-Table 8

BS 1981-9-1991

统一螺纹80°米字槽半沉头螺钉表9

80°Countersunk raised head screws with type Z cross recess-Table 9

BS 1981-10-1991

统一螺纹80°开槽半沉头螺钉(车制)表10

80°Slotted Countersunk raised head screws(truncated)-Table 10

BS 1981-11-1991

统一螺纹80°米字槽半沉头螺钉(车制)表11

80°Countersunk raised head screws with type Z cross recess(truncated)-Table 11

BS 1981-12-1991

统一螺纹开槽盘头螺钉表12

Slotted pan head screws-Table 12

BS 1981-13-1991

统一螺纹米字槽盘头螺钉表13

Pan head screws with type Z cross recess-Table 13

BS 1981-14-1991

统一螺纹开槽球面圆柱头螺钉表14

Slotted raised cheese head screws-Table 14

BS 1981-15-1991

统一螺纹米字槽球面圆柱头螺钉表15

Recessed raised cheese head screws with type Z cross recess-Table 15

BS 4168-1-1981

米制内六角圆柱头螺钉

Metric hexagon socket cap head screws

BS 4168-1-1981

米制滚花内六角圆柱头螺钉

Metric hexagon socket knurled heads cap screws

BS 2470-2A-1973

统一螺纹内六角圆柱头螺钉 表2A

UN hexagon socket plain heads cap screws-Table 2A

BS 2470-2B-1973

英制内六角圆柱头螺钉 表2B

BS hexagon socket plain heads cap screws-Table 2B

BS 2470-3-1973

统一螺纹内六角沉头螺钉 表3

UN hexagon socket countersunk head screws-Table 3

BS 2470-4-1973

统一螺纹内六角圆头螺钉 表4

UN hexagon socket button head screws-Table 4

BS 2470-5-1973

统一螺纹内六角圆柱头轴肩螺钉 粗牙 表5

UN rough pole hexagon socket head shoulder screws-Table 5

BS 2470-6A-1973

统一螺纹内六角凹端紧定螺钉 表6A

UN hexagon socket head set screws with cup point-Table 6A