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GB /T 12-1988 Cup head square neck bolts

国标GB /T12-1988 GB12 12GB(GB12-1976) 半圆头方颈螺栓
Cup head square neck bolts






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Suppliers  
1
 
China Mainland Shanghai Chengtai Hardware Manufacturing Co., Ltd.
Mr.Zhuge
Mobile Phone: +86-13901820935 Telephone: +86-21-59742477/59740118
Material: stainless steel; Specification: complete; Surface treatment: according to customer requirement
2
 
China Mainland Wenzhou Zhanbo Industrial Co., Ltd.
Mr.Li
Mobile Phone: +86-13777773230 Telephone: +86-577-55888576
Material: carbon steel, alloy steel; Specifications range: M6-M20; Length: 10mm-150mm; Surface treatment: galvanized (white, color, military green), nickel,black,Dacro
3
 
China Mainland Suzhou Judong Hardware Co., Ltd.
Jerry Chung
Mobile Phone: +86-18912780677 Telephone: +86-512-65438780-3

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Relevant Standards
1
加强半圆头方颈螺栓
[GB]
GB /T 794-1988
Strengthened cup head square neck bolts
2
半圆头方颈螺栓
[GB]
GB 12-1976
Semi-round head square neck bolts
3
半圆头方颈螺栓
[GB]
GB /T 12-2013
Semi-round head square neck bolts
4
带凹槽半圆头方颈螺栓
[JIS]
JIS B 1171-1996
Cup head square neck bolts(With indentation)
5
圆头方颈螺栓Table2
[ASME/ANSI]
ASME/ANSI B 18.5-2008
Round head square neck bolts
6
粗制半圆头方颈螺栓Table1
[BS]
BS 325-1947
Black cup aquare neck bolts
7
米制圆头方颈螺栓
[AS]
AS /NZS 1390-1997
ISO metric cup head square neck bolts