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Ningbo Dahai Fastener Manufacturing Co., Ltd.
宁波市镇海大海紧固件有限公司
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2 Years
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High-strength Bolts
Bolts for Steel Structure
Large Hex. Bolts
Extra Large Size Bolt Stud
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Hexagon bolts with large widths across flats for high tensile structural bolting
(GB /T 1228 - 1991)
主打
material
Alloy Steel
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GB /T 9125.1 - 2020
GB /T 9125.2 - 2020
GB /T 16939 - 2016
GB /T 9125 - 2010
GB /T 1228 - 2006
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GB /T 16939 - 1997
IFI 149 - 2000
DIN 7990 - 2017
DIN 7990 - 2008
DIN 6914 - 1989
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ISO 7411 - 1984
ASME/ANSI B 18.2.3.7M - 2006
EN 14399 (-3 Bolt) - 2015
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UNI 5712 - 1975
AS /NZS 1252.1 - 2016
AS /NZS 1252 - 1996
TB /T 2347 - 1993
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ANSI B 18.2.3.6M (J1199,F568,A962,A320) - 1979 (R2006)
ASME B 18.2.6 - 2019
ASME B 18.2.1 - 2012
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