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QJ 2580A-2011 钛合金六角头螺栓2023-12-22

GB/T 16674.3-2023 六角法兰面螺栓小系列 A级（扳拧特性按B级）2023-11-09

GB/T 42850-2023 正式版 1275MPaMJ螺纹螺栓2023-11-01

GB/T 42851-2023 正式版 1517MPaMJ螺纹螺栓2023-10-31

HB 7411-2013 A286MJ螺纹六角头螺栓2023-10-26

HB 7435-2013 A286MJ螺纹扁圆头螺栓2023-10-25

HB 7437-2013 A286MJ螺纹扁圆头锥端螺栓2023-10-25

HB 7418-2013 A286MJ螺纹短螺纹小六角头螺栓2023-10-25

HB 7438-2013 MJ螺纹十字槽100°沉头螺栓2023-10-25

HB 7432-2013 A286MJ螺纹十字槽平头螺栓2023-10-25

GB/T 32.1-2020 六角头头部带孔螺栓 Hexagon bolts with wire holes on head2023-08-13

QC/T 599-2022 端面凸焊螺栓2023-04-01

QC/T 598-2022 承面凸焊螺栓2023-04-01

GB/T 794-2021加强半圆头方颈螺栓Strenthened cup head square neck bolts2022-10-25

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 ...2022-10-25

GB/T 798-2021活节螺栓Eye bolts2022-10-25

GB/T 8-2021方头螺栓 C级Square head bolts—Product grade C2022-10-25

GB/T 3103.4-2014紧固件公差 -200℃~+700℃使用的螺栓-螺母连接副2022-06-18

HB 8040-2002十字槽120°半沉头螺栓120°raised countersunk head bolts with recess2022-06-15

HB 7427-1996铰链连接用ＭＪ螺纹光杆公差带ｆ７短螺纹小六角头螺栓2022-06-15

HB 6510-1991光杆公差带ｆ９抗剪型１００°沉头钛合金高锁螺栓2022-06-15

GB/T 3105-2002普通螺栓和螺钉头下圆角半径Gerneral purpose bolts and screws-Radii under the head...2022-06-15

QC/T 880-2011防拆卸螺栓No unscrew bolt2022-06-15

JB/T 4209.4-2014六角头螺栓冷镦模第4部分:全螺纹缩径凹模2022-06-15

HB 8367-20131100MPa强度等级A286MJ螺纹螺栓和螺钉规范2022-06-15

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