QJ 2369-1992
半圆头螺栓
1992-03-24
JIS B 1171-2005
Cup head square neck bolts
半圆头方颈螺栓
2005-01-01
KS B 1031(2022 Confirm)
4각목 둥근머리 볼트
半圆头方颈螺栓
2012-11-10
GB/T 794-2021
加强半圆头方颈螺栓
Strenthened cup head square neck bolts
2021-12-31
TB/T 413-1975
道岔用半圆头方颈螺栓(粗制)
GB/T 801-2021
小半圆头低方颈螺栓 B级
Cup head square neck bolts with small head and short neck—Product grade B
2021-12-31
HB 2911-1976
组合阴模 用于平锥头、半圆头、扁圆头螺栓(钉)、铆钉
1978-05-01
HB 2908-1976
整体阴模 用于平锥头、半圆头、扁圆头螺栓(钉)、铆钉
1978-05-01
HB 2914-1976
硬质合金阴模 用于平锥头、半圆头、扁圆头螺栓(钉)、铆钉
1978-05-01
MT/T 187.7-1988
刮板输送机紧固件 半圆头方颈螺栓
1988-04-13
MT/T1 87.7-1988
刮板输送机紧固件 半圆头方颈螺栓
1988-04-13
QJ 2386-1992
半圆头螺钉
1992-03-24
HB 6229-6239-2002
半圆头铆钉
Round head rivets
HB 1-221-2002
半圆头螺钉
Round head screws
GB/T 867-1986
半圆头铆钉
Round head rivets
1986-07-02
HB 2890-1976
整体阳模 用于半圆头、扁圆头、半沉头铆钉、螺栓(钉)(Z12-4机床用)
1978-05-01
CID A-A-51533
SCREW, BONE (WOODRUFF HEAD)
骨螺钉(半圆头)
1986-07-08
HB 8029-2002
尼龙半圆头螺钉
Round head screws, in nylon