QJ 2369-1992
半圆头螺栓
1992-03-24
HB 7437-2013
A286MJ螺纹扁圆头锥端螺栓
Mushroom head bolts with MJ thread,taper end,A286
2013-10-13
HB 7437-2013(2017)
A286MJ螺纹扁圆头锥端螺栓
2013-10-13
HB 7205-1995
十字槽100°沉头锥端螺栓
HB 1-141-1995
十字槽90°沉头锥端螺栓
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
HB 1-142-1995
十字槽120°半沉头锥端螺栓
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